Sheffield, US
Adam Sheffield, Rancho Santa Margarita, CA US
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20130098935 | Ammunition Magazine Holder - A system and apparatus for storing ammunition comprises a hard-bodied capsule for ejectably retaining an ammunition magazine in a substantially water-resistant compartment thereof. | 04-25-2013 |
Andrew Sheffield, Kaysville, UT US
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20120238959 | Biased Internal Bolster for a Medical Device - A catheter and internal bolster for securing the catheter or other medical device within a body of a patient. In one embodiment, the catheter comprises an elongate catheter tube that defines at least one lumen and an internal bolster disposed proximate a distal end of the catheter tube. The internal bolster includes a plurality of hinged arms and is capable of an undeployed position wherein each arm is longitudinally extended substantially parallel to the catheter tube, and a deployed position wherein each arm is folded about its hinge so as to radially extend from the catheter tube and provide a bolster configuration. The internal bolster further includes a resilient portion included with the catheter tube and disposed centrally with respect to the internal bolster. The resilient portion provides a force urging the internal bolster to the deployed position. In one possible implementation, the catheter is configured as a feeding tube. | 09-20-2012 |
Andrew C. Sheffield, Kaysville, UT US
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20150231364 | Catheter Placement Device Including Guidewire and Catheter Control Elements - An insertion tool for inserting a catheter into a patient's body is disclosed. The insertion tool unifies needle insertion, guidewire advancement, and catheter insertion in a single device. In one embodiment, the insertion tool comprises a housing in which at least a portion of the catheter is initially disposed, a hollow needle distally extending from the housing with at least a portion of the catheter pre-disposed over the needle, and a guidewire pre-disposed within the needle. A guidewire advancement assembly is also included for selectively advancing the guidewire distally past a distal end of the needle in preparation for distal advancement of the catheter. In one embodiment a catheter advancement assembly is also included for selectively advancing the catheter into the patient. Each advancement assembly can include a slide or other actuator that enables a user to selectively advance the desired component. Guidewire and catheter locking systems are also disclosed. | 08-20-2015 |
Bryan Sheffield, Austin, TX US
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20110267107 | CIRCUIT FOR REDUCING NEGATIVE BIAS TEMPERATURE INSTABILITY - A circuit includes an operational PMOS transistor of a logic gate driver. A control circuit is configured to turn off the operational PMOS transistor during a standby mode. The circuit also includes a sacrificial PMOS transistor coupled to an output node. The operational PMOS transistor is coupled to the output node. The sacrificial PMOS transistor is configured to keep the output node at a logical 1 during the standby mode. | 11-03-2011 |
20120324413 | SEMICONDUCTOR MEMORY - A method includes simulating a first design of a semiconductor memory that includes at least one device disposed between and coupled to a memory bit cell and to a power supply line, determining if at least one simulated operational value of the semiconductor memory is above a threshold value, and adjusting at least one of a size of the device or a type of the device if the at least one simulated operational value is below the threshold value. The memory bit cell is disposed in a column including a plurality of bit cells. The size or type of the device is repeatedly adjusted and the design of the semiconductor memory is repeatedly simulated until the at least one simulated operational value is at or above the threshold value. | 12-20-2012 |
20140028350 | CIRCUIT FOR REDUCING NEGATIVE BIAS TEMPERATURE INSTABILITY - A control circuit comprises a first NOR gate, a first NMOS transistor, and a first PMOS transistor. The control circuit also comprises an output node. The control circuit further comprises a half latch keeper circuit coupled to a gate of the first NMOS transistor and to a gate of the first PMOS transistor. The half latch keeper circuit is configured to keep the output node at a logical 1 during a standby mode. The control circuit additionally comprises an operational PMOS transistor coupled to the output node. An output of the first NOR gate is coupled to a gate of the operational PMOS transistor. The control circuit is configured to turn off the operational PMOS transistor during the standby mode. | 01-30-2014 |
20140320169 | CIRCUIT FOR REDUCING NEGATIVE BIAS TEMPERATURE INSTABILITY - A circuit comprises a control circuit having an output node. The circuit also comprises a half latch keeper circuit coupled to the control circuit. The half latch keeper circuit is configured to control the output node during a standby mode. The circuit also comprises a transistor coupled to the output node. The control circuit is configured to turn off the transistor during the standby mode. | 10-30-2014 |
Bryan David Sheffield, Mckinney, TX US
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20090147603 | MEMORY WITH LOW POWER MODE FOR WRITE - The present invention describes circuitry and a method of providing a low power WRITE mode of operation for an integrated circuit comprising an SRAM memory to provide a reduced IDDQ relative to the IDDQ of a full active mode. In one aspect, the circuitry includes an SRAM memory array, mode control circuitry coupled to the array and configured to alter a supply voltage level to the SRAM array based on a mode of operation. The circuitry also includes control inputs coupled to the mode control circuitry for selecting one of the low power write mode, the full active mode, and optionally a retention mode of operation. The mode control circuitry is configured to receive the control inputs to select one of the three modes of operation, and to alter one or more supply voltage levels to the array, for example, the Vss supply voltage using a Vss supply circuit and the Vdd supply voltage using a Vdd supply circuit, based on the selected mode of operation. The mode control circuitry may also comprise a bitline precharge circuit configured to alter a bitline precharge voltage. | 06-11-2009 |
Cynthia Sheffield, College Station, TX US
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20120156287 | Use of Vitelline Protein B as a Microencapsulating Additive - The present invention includes compositions and methods for the use of an encapsulation additive having between about 0.1 to about 30 percent isolated and purified vitelline protein B to provide for mixed and extended release formulations. | 06-21-2012 |
Cynthia Sheffield, Mt. Gilead, NC US
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20120109028 | Obstetric Birthing Assistant - An obstetrical assistive device is provided for facilitating “pushing” during childbirth. The device comprises a pair of handlebar assemblies conjoined in the center by a ring. The handlebars may be constructed of durable material such as plastic or rubber and may have a soft, high-friction material covering the gripping area. The center ring may be constructed of any high tension bearing material like rope, rubber or metal. A patient may use the device by herself or in conjunction with another person. To use the device with another person, the patient and other user grasp opposing ends of the device and exert retractive force. Alternatively, the device may be secured to a support bar by its center ring so that a patient may pull on a handlebar without having another user grasping the opposing handlebar. | 05-03-2012 |
20120116297 | Medication Application Device for Use in Body Cavities - A pill delivery device is provided for inserting pills into enclosed regions within human body cavities, comprising an arcuate, rigid applicator tube, a plunger and a flexible pill-retaining sleeve. The pill-retaining sleeve is secured to a lower end of the applicator tube and has an aperture disposed at a lower end of the sleeve. The aperture prevents pills from falling from the sleeve; however the sleeve is flexible to permit distortion of the aperture, thereby allowing pills to be pushed therethrough. The plunger has a handle disposed at a top end and a working end in the shape of a ball, disposed at its lower end. In use, a pill is inserted into the top end of the tube. The device is then inserted into a body cavity and the plunger is utilized to force medication through the retaining sleeve and into the body cavity. | 05-10-2012 |
David Sheffield, Virginia Beach, VA US
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20090273945 | MODULAR, LUMINOUS, SMALL FORM-FACTOR SOLID-STATE LIGHTING ENGINE - The invention comprises a small form-factor solid-state light engine that provides uniform lighting with high efficiency. The invention provides uniform lighting by practically eliminating any “dead spot” produced by conventional light engines. The invention produces light more effectively and thus fewer light engines need to be employed in a given lighting arrangement. The invention is modular, easily accommodating fiber optics of various sizes and shapes with minimal modification to the components of the light engine. | 11-05-2009 |
David W. Sheffield, Austin, TX US
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20120011284 | DIRECT PROVISIONING OF STORAGE DEVICES TO VIRTUAL OS PARTITIONS - An OS instance can maintain management responsibility for SAN adapters to ensure separation and isolation of WPARs, while WPARs are given the capability of configuring an adapter (e.g., adding endpoint storage devices to the adapter). An operating system instance allocates an adapter to a first of a plurality of virtual operating system instances. The first virtual operating system instance updates a device data structure with an entry that indicates the adapter. The first virtual operating system instance maintains the device data structure. The first virtual operating system instance modifies the entry in the device data structure to associate a set of one or more endpoint storage devices with the adapter. The set of endpoint storage devices are provisioned to the first virtual operating system instance from a storage area network. The first virtual operating system instance configures the set of endpoint storage devices. | 01-12-2012 |
20120011501 | TRACKING LOADING AND UNLOADING OF KERNEL EXTENSIONS IN ISOLATED VIRTUAL SPACE - Some embodiments of the inventive subject matter are directed to receiving a request from a first instance of an operating system (e.g., a virtual operating system) to load a kernel extension that extends functionality of a kernel, where the kernel and the first instance of the operating system are managed by a second instance of the operating system (e.g., a global operating system), and where the first and second instances of the operating system share the kernel. Some embodiments are further directed to recording an indicator that indicates that the first of the plurality of the instances of the operating system requested to load the kernel extension, where the indicator is accessible only to the second instance of the operating system. In some embodiments, the method is further directed to loading the kernel extension, where loading the kernel extension extends functionality of the kernel. In some embodiments, the method is further directed to receiving a request by the first instance of the operating system to remove the functionality from the kernel and determining, based on the indicator, that the first instance of the operating system had previously requested to load the kernel extension. In some embodiments, the method is further directed to removing the functionality from the kernel in response to the determining, based on the indicator, that the first instance of the operating system had previously requested to load the kernel extension. | 01-12-2012 |
20120011502 | MANAGING UNIQUE ELECTRONIC IDENTIFICATION FOR KERNEL EXTENSIONS IN ISOLATED VIRTUAL SPACE - Some embodiments of the inventive subject matter are directed to detecting a file that a first instance of an operating system is configured to load where the file is configured to extend functionality of a kernel when loaded. In some embodiments, the first instance of the operating system is managed by a second instance of the operating system (e.g., the first instance of the operating system is a virtual operating system and the second instance is a global operating system). The first and second instances of the operating system share the kernel. Some embodiments are further directed to generating a unique electronic identifier based on properties of the file. The unique electronic identifier uniquely identifies the file. Some embodiments are further directed to providing a copy of the file to the first instance of the operating system, and some time later, receiving a request from the first instances of the operating system to load the copy of the file. Some embodiments are further directed to determining, using the unique electronic identifier, that the copy of the file from the first instance of the operating system is equivalent to the file. Some embodiments are further directed to loading the copy of the file in response to determining, using the unique electronic identifier, that the copy of the file is equivalent to the file. The loading extends the functionality of the kernel. | 01-12-2012 |
20120011503 | MANAGING LOADING AND UNLOADING OF SHARED KERNEL EXTENSIONS IN ISOLATED VIRTUAL SPACE - Some embodiments of the inventive subject matter are directed to receiving a request from a first instance of an operating system (e.g., a virtual operating system) to load a kernel extension that extends functionality of a kernel, where the kernel and the first instance of the operating system are managed by a second instance of the operating system (e.g., a global operating system), and where the first and second instances of the operating system share the kernel. Some embodiments are further directed to loading the kernel extension as a shared kernel extension. Some embodiments are further directed to receiving a request by the first instances of the operating system to unload the kernel extension and determining that a third instance of the operating system (e.g., another virtual operating system also managed by the global operating system) requires the kernel extension to remain loaded. Some embodiments are further directed to notifying the first instance of the operating system that the kernel extension was unloaded while leaving the kernel extension loaded in the kernel. | 01-12-2012 |
20120011520 | MANAGEMENT OF DEVICE IDENTIFIERS ACROSS VIRTUALIZED ENVIRONMENTS - A first of a plurality of virtual operating system instances requests a device identifier for a device to be configured by the first virtual operating system instance within an execution space of the first virtual operating system instance. In response, a device identifier data structure maintained in a kernel space is accessed, and a device identifier that is available is determined. An indication in the device identifier data structure that the device identifier is no longer available is recorded. The device identifier is returned from the kernel space to the first virtual operating system instance. The first virtual operating system instance assigns the device identifier to the device. | 01-12-2012 |
20120066556 | ERROR HANDLING IN A VIRTUALIZED OPERATING SYSTEM - When moving workload partitions (WPARs) from machine to machine, operating systems may encounter errors that prevent successful WPAR migration. Recording and reporting errors can be challenging. To move WPARs, the operating system may employ a plurality of software components, such as code residing in user space (e.g., application programs, OS libraries, and shell scripts), code residing in the operating system's kernel, and code residing on remote machines. Embodiments of the invention include a framework that enables all the software components to record errors. The framework can also report the errors to users and processes. | 03-15-2012 |
20130283297 | SHARED VERSIONED WORKLOAD PARTITIONS - According to one aspect of the present disclosure, a method and technique for shared versioned workload partitions is disclosed. The method includes: creating, in a host machine running an instance of a first version of an operating system, a first workload partition associated with a second version of the operating system, the second version of the operating system comprising a different version of the operating system than the first version of the operating system; creating, in the logical partition, a second workload partition associated with the second version of the operating system; and hierarchically linking the second workload partition to the first workload partition to enable sharing of resources of the first workload partition by the second workload partition. | 10-24-2013 |
20140040609 | TRACKING LOADING AND UNLOADING OF KERNEL EXTENSIONS IN ISOLATED VIRTUAL SPACE - Some embodiments of the inventive subject matter are directed to receiving a request from a first instance of an operating system (e.g., a virtual operating system) to load a kernel extension that extends functionality of a kernel, where the kernel extension may be shared by a second instance of the operating system. An indicator accessible only to the second instance of the operating system records an indication that the first instance of the operating system requested to load the kernel extension. The kernel extension is loaded. A request is received by the first instance of the operating system to remove the functionality from the kernel. The functionality is removed from the kernel in response to determining, based on the indicator, that the first instance of the operating system had previously requested to load the kernel extension. | 02-06-2014 |
20140082628 | SHARED VERSIONED WORKLOAD PARTITIONS - According to one aspect of the present disclosure, a method and technique for shared versioned workload partitions is disclosed. The method includes: creating, in a host machine running an instance of a first version of an operating system, a first workload partition associated with a second version of the operating system, the second version of the operating system comprising a different version of the operating system than the first version of the operating system; creating, in the logical partition, a second workload partition associated with the second version of the operating system; and hierarchically linking the second workload partition to the first workload partition to enable sharing of resources of the first workload partition by the second workload partition. | 03-20-2014 |
20140331220 | LIVE APPLICATION MOBILITY FROM ONE OPERATING SYSTEM LEVEL TO AN UPDATED OPERATING SYSTEM LEVEL - Provided are techniques for comparing a first fileset associated with a first operating system (OS) with a second fileset associated with a second OS; determining, based upon the comparing, that the second OS is a more current version of the first OS; in response to the determining that the second OS is a more current version of the first OS, moving, in conjunction with live application mobility, a virtual machine (VM) workload partition (WPAR) on the first LPAR to a second LPAR, the moving comprising determining a set of overlays associated with the WPAR corresponding to the second OS; removing from the WPAR any overlays associated with the first OS; applying to the WPAR a set of overlays corresponding to the second OS; check pointing processes associated with the WAPR; and copying live data associated with the LPAR from the first LPAR to the second LPAR. | 11-06-2014 |
20140331228 | LIVE APPLICATION MOBILITY FROM ONE OPERATING SYSTEM LEVEL TO AN UPDATED OPERATING SYSTEM LEVEL - Provided are techniques for comparing a first fileset associated with a first operating system (OS) with a second fileset associated with a second OS; determining, based upon the comparing, that the second OS is a more current version of the first OS; in response to the determining that the second OS is a more current version of the first OS, moving, in conjunction with live application mobility, a virtual machine (VM) workload partition (WPAR) on the first LPAR to a second LPAR, the moving comprising determining a set of overlays associated with the WPAR corresponding to the second OS; removing from the W PAR any overlays associated with the first OS; applying to the WPAR a set of overlays corresponding to the second OS; check pointing processes associated with the WAPR; and copying live data associated with the LPAR from the first LPAR to the second LPAR. | 11-06-2014 |
David William Sheffield, Austin, TX US
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20120143929 | VIRTUALIZED OPERATING SYSTEM ENVIRONMENT FILE-SYSTEM - A method, system, and computer program product for an improved virtualized operating system environment file-system are provided in the illustrative embodiments. A computer receives a write request for a part in the virtualized operating system environment file-system. The computer determines whether the part in the virtualized operating system environment file-system is a link to a second part in a host file-system. The computer, responsive to the part in the virtualized operating system environment file-system being the link, replaces the link with content of the second part the content replacing the link forming a writable copy of the part. | 06-07-2012 |
Don Sheffield, Palm Harbor, FL US
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20150355896 | AUTOMATIC SOFTWARE-UPDATE FRAMEWORK - An automation framework for providing updates in a distributed environment includes various elements. The framework provides tasks to a client environment, such as a software update. An update can be developed and tested for one client environment. That update can be reduced to a set of data that can be used to create updates for other client environments that include a same version of the program. In addition, a respective script can be generated for each client environment based on the specific client environment. | 12-10-2015 |
Douglas M. Sheffield, Chesterfield, MO US
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20130119214 | Portable Item Holder Having An Elongate Void Extending Between Two Openings For Receiving The Item - An item holder, mountable by suction on a mounting surface, including a deformable body having a convex outer surface that is substantially free of protrusions, a concave inner surface, and an edge extending around the outer and the inner surfaces. The deformable body is shaped to form in the body an elongate void extending through the deformable body, between the concave inner surface and the convex outer surface, in a direction that is generally parallel to the mounting surface during use of the holder. The elongate void formed by the deformable body terminates at opposing openings including of a first opening opposite a second opening. The body also defines a suction portion needed for creating the suction between the body and the mounting surface. The holder also includes a link component extending into the first opening, through the elongate void, and out of the second opening. | 05-16-2013 |
Ellyn Sheffield, Phoenix, MD US
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20150098018 | TECHNIQUES FOR LIVE-WRITING AND EDITING CLOSED CAPTIONS - Techniques for live-writing and editing closed captions are disclosed. In one particular embodiment, the techniques may be realized as a method for generating captions for a live broadcast comprising the steps of receiving audio data, the audio data corresponding to words spoken as part of the live broadcast; analyzing the audio data with speech recognition software in order to generate unedited captions; and generating edited captions from the unedited captions, wherein the edited captions reflect edits made by a user. All of these steps may be performed during the live broadcast. | 04-09-2015 |
Eulah Sheffield, Collinsville, CT US
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20150178849 | SYSTEMS AND METHODS FOR CONSULTATIVE INSURANCE QUOTATIONS - Exemplary embodiments provide systems, methods, and products that alter the content (e.g., the questions, information, advice, educational materials, and/or interface-page flow) experienced by each user of an automated insurance quotation system in order to create a consultative interaction with the user and to define an insurance product that fits the user's desires and requirements. Various embodiments determine the flow and content to present via the user interface to each user on the basis of information provided by the user throughout the computerized insurance consultation, quote, and purchase process. Some implementations may iteratively select specific content(s) from a set of content according to input or answers received from the user in response to previously presented content, and present the selected content(s) to the user. | 06-25-2015 |
George C. Sheffield, Waverly, VA US
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20110041880 | Paint roller cleaning and drying apparatus - A paint roller cleaning and drying assembly having a hollow cylindrical body having open top and bottom ends and a hingedly attached cover selectively movable between be closed and open position. A nozzle plenum disposed on an inside body surface substantially parallel to the major axis thereof carries a row of spray nozzles. The nozzle plenum may optionally have an interior cross sectional area that varies along its length to equalize fluid pressure delivered to nozzles disposed along the length thereof. A fluid inlet tube with a hose fitting and valve passes through the wall of the body delivering fluid to the nozzle plenum. Legs support the body in an upright orientation. Notches in the bottom of the legs support the apparatus on the lip of a bucket or pail. A roller support bar has one or more roller cover supports depending downwardly from a lower surface. | 02-24-2011 |
Gregg S. Sheffield, Wooster, OH US
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20090078750 | Tamper-resistant and leak-resistant container - The present invention is directed to a paperboard container having generally finger access or handhold openings forming carry handles in the end walls. The handhold openings are defined by two adjacent tapered punch-out panels aligned end-to-end and hinged at their outer ends to a respective end wall. When two adjacent tapered punch-out panels punched out they fold oppositely to one another and inwardly into the container in laterally spaced relation to one another on opposite sides of the respective openings. A tear-out panel in one end wall adjoins the associated hand hold openings and when removed forms a dispensing or pourable opening immediately below the associated hand hold openings. | 03-26-2009 |
Greg L. Sheffield, O'Fallon, MO US
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20090126471 | FRACTURE DETECTING STRUCTURAL HEALTH SENSOR - A sensor device for monitoring and testing the integrity of structural elements is disclosed. A frangible membrane including a thin breakable conductor sense loop is bonded to a structural element to be tested. A fracture in the bonded structural element induces a disruption in the both the frangible membrane and the thin breakable conductor sense loop. Measured electrical property change of the disrupted conductor sense loop reveals the fracture in the structural element. Connection to the sensor device may be through a connector or using a wireless reader which remotely energizes the sensor device. The sensor may also be implemented as a gasket and/or employ weep holes to the breakable conductor to reveal possible corrosion as well. | 05-21-2009 |
20090128169 | CORROSION DETECTING STRUCTURAL HEALTH SENSOR - A sensor device for monitoring and testing for potential corrosion of structural elements is disclosed. A membrane including a thin conductor sense loop within it may be disposed near a structural element to be monitored. Measured changes in the electrical properties of the conductor sense loop reveal corrosion of the conductor and can indicate potential corrosion in the structural element. The sensor may also be implemented as a gasket. Connection to the sensor device may be through a connector or using a wireless reader which remotely energizes the sensor device. | 05-21-2009 |
20090132748 | MULTIPLE CARRIER SIGNALS ON A LEGACY BUS - A device (e.g., an ultra-wideband device) is added to a system including a legacy wired bus (e.g., a MIL-STD 1553 bus). The legacy bus has a legacy bus signal with a center frequency, and the device has a carrier signal with a frequency that is substantially higher than the center frequency. Adding the device to the system includes coupling the device to the bus, and adding equipment for superimposing the device carrier signal on the legacy bus signal. | 05-21-2009 |
20100052704 | HYBRID RESILIENT AND FRANGIBLE LAYERED STRUCTURAL HEALTH SENSOR - A sensor for monitoring and testing for both possible fractures and corrosion in structural elements is disclosed. A frangible material layer including a thin breakable conductor sense loop and a resilient material layer including a conductive corrosion sense loop bonded on top of the frangible layer form an assembly which is bonded to a structural element to be tested. Portions of the conductive corrosion sense loop are exposed through weep holes in the resilient material layer. A fracture in the bonded structural element induces a disruption in both the frangible membrane and the thin breakable conductor sense loop and corrosion of the conductive corrosion sense loop changes its electrical properties. Measured electrical property changes of the disrupted conductor sense loop and/or the conductive corrosion sense loop reveal possible damage. Both sensor layers may utilize a single shared wireless communications tag to couple to an electrical measuring device. | 03-04-2010 |
Gregory L. Sheffield, O'Fallon, MO US
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20130019036 | Expanded Electronic Bus Communication Capacity - In an embodiment, an apparatus comprises a bus network having a set of lines, and a number of communication system devices associated with a number of electronics equipment connected to the bus in which each communication system device configures the electronics equipment to send and receive a plurality of signals on a line of the set of lines in a noise region of the set of lines. | 01-17-2013 |
20150270985 | WIRELINE COMMUNICATION SYSTEM AND METHOD EMPLOYING A MILITARY STANDARD 1553 BUS - A wireline communication system and method are provided that utilize a military standard 1553 bus to transmit both military standard 1553 communication signals and other communication signals, such as those transmitted in accordance with another communications protocol. A wireline communication system may include a military standard 1553 bus and a military standard 1553 node configured to communicate with military standard 1553 communication signals at a first predefined range of frequencies. The wireline communication system further includes a first interface node configured to communicate via the military standard 1553 bus with second communication signals having a second predefined range of frequencies, different than the first predefined range of frequencies. The second communication signals are transmitted along the military standard 1553 bus at less than a predetermined decibel level. The second predefined range of frequencies and the predetermined decibel level are selected to limit interference between the different signals. | 09-24-2015 |
John W. Sheffield, Forney, TX US
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20100007085 | Mail Sorting Machine with Improved Diverter Panel - A diverter panel comprises an elongated rectangular panel made of a substantially flat plate made of clear plastic. The plate has fasteners mounted at its front corners for mounting the panel to a frame of the sorting machine, a rear upright flange extending from the plate along the length thereof, the flange having a bottom edge which can be supported on a horizontal beam of the sorting machine. The panel is rigid enough such that vibration of the sorting machine does not cause significant movement of the panel when secured at its corners and with the rear flange supported by the beam of the sorting machine. An opening in the rear flange and an adjacent portion of the plate allows a drive shaft to pass therethrough, and a contact pad formed by an outwardly projecting portion of the rear flange is configured for engagement with a plunger of a switch. | 01-14-2010 |
Jonathan Sheffield, Menlo Park, CA US
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20100228481 | Image navigation and registration accuracy improvement using parametric systematic error correction - A novel Parametric Systematic Error Correction (ParSEC) system is disclosed which provides improved system accuracy for image navigation and registration (INR). This system may be employed in any suitable imaging system and, more specifically, to all imaging systems that exhibit systematic distortion. The ParSEC system may be employed to any such system regardless of sensing type (remote or in situ) or imaging media (photon or charged particle) and is further applicable to corrected imaging of any celestial body currently detectable to remove distortion and systematic error from the imaging system employed. The ParSEC system of the instant invention comprises a software algorithm that generates at least about 12 correction coefficients for each of the INR system measurements such as stars, visible landmarks, infrared (IR) landmarks and earth edges. An iterative estimation algorithm such as, for example, least squares or Kalman filters may be employed to determine the at least about 12 correction coefficients from each set of measurement residuals. The improved image products provide more accurate weather forecasting such as wind velocity and temperature. | 09-09-2010 |
20120239295 | Image Navigation and Registration Accuracy Improvement Using Parametric Systematic Error Correction - A Parametric Systematic Error Correction (ParSEC) method is disclosed which provides improved accuracy for image navigation and registration (INR). This method may be employed in imaging systems that exhibit systematic distortion. The ParSEC method comprises employing a Parametric Systematic Error Correction (ParSEC) system wherein coefficients for the system are determined by employing an nth order Taylor Series. | 09-20-2012 |
Kelly Sheffield, Redmond, WA US
Patent application number | Description | Published |
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20100306363 | DETERMINING COMPLETION OF A WEB SERVER DOWNLOAD SESSION AT A DATABASE SERVER - Techniques are described herein for determining completion of a Web server download session at a database server. A Web server initiates a download session for downloading a requested resource (e.g., a file or an output of an executable) to a client. The download session includes download operation(s), each corresponding to a respective portion of the requested resource. The Web server incorporates a session-specific identifier indicative of the download session and/or byte range indicator(s) corresponding to the respective download operation(s) into Web server log files. The database server uses the session-specific identifier and/or byte range indicator(s) to determine that the download operation(s) are included in the download session. The database server determines a download pattern corresponding to the download session based on download request(s) that correspond to the download operation(s). The database server determines whether the download session is complete using an algorithm that is indicative of the download pattern. | 12-02-2010 |
Lizzette L. Sheffield, Acworth, GA US
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20100224199 | Respirator - A respirator adapted to facilitate ease of donning and comfort during use comprising one or more of an adjustable or elastic strap that facilitates ease of donning and comfort during wear; and/or fasteners that are easy to use and that facilitate ease of donning and comfort during wear; and/or respirator shapes that facilitate the wearing of eyeglasses with said respirator; and/or bellows-type, pneumatic, or other such components, associated with said respirator, that are adapted to promote adjustability of the fit of the respirator. | 09-09-2010 |
Lourdes Lizzette Sheffield, Acworth, GA US
Patent application number | Description | Published |
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20090055988 | Eyewear With Enhanced Fit - Eyewear having an enhanced fit which may be used for safety, sports, and the like. The eyewear may provide features which permit enhanced airflow and an enhanced fit to a user's face. Such features may include greater adjustability to provide greater comfort. Eyewear including an RFID tag which is activated to send or receive transmissions when the eyewear is unfolded and/or positioned in a position to be worn by a user. | 03-05-2009 |
20100110365 | Eyewear With Enhanced Fit - Eyewear having an enhanced fit which may be used for safety, sports, and the like. The eyewear may provide features which permit enhanced airflow and an enhanced fit to a user's face. Such features may include greater adjustability to provide greater comfort. Eyewear including an RFID tag which is activated to send or receive transmissions when the eyewear is unfolded and/or positioned in a position to be worn by a user. | 05-06-2010 |
L. Scott Sheffield, Layton, UT US
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20130180392 | APPARATUS, SYSTEM, AND METHOD FOR MANUFACTURING AMMUNITION CARTRIDGE CASES - The present disclosure relates to a system for forming a cartridge case, the system including a series of stages, each stage comprising a sequential location in the system, and each stage comprising a process step, wherein each process step is synchronized to occur within a substantially simultaneous stage interval, the stages including: an annealing stage, a head forming stage, and a taper stage. The present disclosure also relates to a method for manufacturing a cartridge case, the method including: receiving a single cartridge case at a time in a first direction into an annealing chamber through a first opening, passing an alternating current through an inductive coil for a certain time period to heat the cartridge case, releasing the cartridge case from the annealing chamber in the first direction through a second opening, and performing a forming step on the cartridge case. | 07-18-2013 |
Mark Edward Sheffield, Northborough, MA US
Patent application number | Description | Published |
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20100277826 | HEAD RADIAL POSITIONING OVER CONTACT-START-STOP ZONE DURING SPIN-UP/SPIN-DOWN OF DISK - A read/write head is moved across a contact-start-stop (CSS) zone on a data storage disk during the spin-up and/or spin-down of the disk. Moving the head during spin-up and/or spin-down may reduce the concentration of wear along a surface of the CSS zone. | 11-04-2010 |
Matthew S. Sheffield, Harrison, AR US
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20150224670 | COMPOSITE WOOD FLOORING AND METHOD OF MAKING THE SAME - A method of making a composite panel configured for use with a flooring assembly of a trailer includes providing a wood substrate, making an uncured fiber-reinforced coating, and applying the uncured fiber-reinforced coating onto a surface of the wood substrate. The method further includes curing the uncured fiber-reinforced coating after applying the uncured fiber-reinforced coating onto the surface of the wood substrate. | 08-13-2015 |
Paul Sheffield, Queensbury, NY US
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20140264995 | THIN-WALLED IMPLANT STRUCTURES AND RELATED METHODS - Ceramic implants, such as spinal implants, may comprise a dense shell and a porous core. In some implementations, methods for manufacturing the implants may comprise one or more stages at which the core material abuts the shell so as to form a mechanical attachment therewith while both the core and the shell are in a green state. The core and the shell may be fired together, and the resultant implant may, in some embodiments, comprise a unitary piece of ceramic material. Some embodiments may comprise silicon nitride ceramic materials. | 09-18-2014 |
20140265062 | VARIABLE-DENSITY IMPLANTS AND RELATED METHODS AND SYSTEMS - Ceramic orthopedic implants may have one or more dense inner layers and one or more porous outer layers. Methods for manufacturing the implants may include one or more stages during which the dense inner layer(s) are partially compressed. At least one porous outer layer may include coating particles that are present at a surface of one or more inner layer(s) while pressure is applied to attach the coating particles to the inner layer(s) and to further compress one or more of the inner layer(s). Various layers may be formed until an implant, or other device, is formed having the desired density gradient and/or other properties, as disclosed herein. | 09-18-2014 |
Peter Sheffield, Vista, CA US
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20120156720 | Compositions and Methods of Producing Enterokinase in Yeast - The present specification disclose polynucleotide molecules encoding an enterokinase, yeast expression constructs including a yeast expression vector and a polynucleotide molecules encoding an enterokinase, yeast cells comprising such a yeast expression construct, methods of producing enterokinase using such yeast cells, and method of cleaving or preparing a recombinant polypeptide using an enterokinase produced by such methods. | 06-21-2012 |
20130302853 | COMPOSITIONS AND METHODS OF PRODUCING ENTEROKINASE IN YEAST - The present specification disclose polynucleotide molecules encoding an enterokinase, yeast expression constructs including a yeast expression vector and a polynucleotide molecules encoding an enterokinase, yeast cells comprising such a yeast expression construct, methods of producing enterokinase using such yeast cells, and method of cleaving or preparing a recombinant polypeptide using an enterokinase produced by such methods. | 11-14-2013 |
Philip Sheffield, San Francisco, CA US
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20130014023 | COLLABORATION SESSIONS IN A WORKSPACE ON A CLOUD-BASED CONTENT MANAGEMENT SYSTEM - Systems and methods for providing discussion workspaces linked to workspaces containing work items stored in a web-based content management system with collaboration environment are disclosed. Workspaces can be organized hierarchically. Designated collaborators of a workspace containing work items can participate in an online discussion in the linked discussion workspace regarding the work items. | 01-10-2013 |
20140032575 | SYSTEM AND METHOD FOR ADVANCED SEARCH AND FILTERING MECHANISMS FOR ENTERPRISE ADMINISTRATORS IN A CLOUD-BASED ENVIRONMENT - A cloud-based platform (e.g., cloud-based collaboration and/or storage platform/service) is described that permits advanced searches with advanced filtering mechanisms to be performed by administrators or other authorized individuals, across an organization, enterprise, or other select groups of entities in a cloud environment, such as a cloud-based collaborative environment. Various types, categories, metadata, and filters can be specified for use in the advanced search within select folders, users' folders, or across a larger set/group of folders and/or users. | 01-30-2014 |
20140033324 | SYSTEM AND METHOD FOR ADVANCED CONTROL TOOLS FOR ADMINISTRATORS IN A CLOUD-BASED SERVICE - A cloud-based platform (e.g., cloud-based collaboration and/or storage platform/service) is described that provides advanced control tools for administrators of an enterprise account. The advanced control tools permit the administrator to set mobile security settings for mobile devices running applications that allow a user to access enterprise data in the cloud-based platform; activity notification archiving; support for multiple email domains; automation processes; and policies. The settings selected by the administrator are applied enterprise-wide within the cloud-based platform. | 01-30-2014 |
20140101094 | ENHANCED QUICK SEARCH FEATURES, LOW-BARRIER COMMENTING/INTERACTIVE FEATURES IN A COLLABORATION PLATFORM - Embodiments of the present disclosure include systems and methods for enhanced quick search features, low-barrier comenting/interactive features in a collaboration platform, which may be a cloud-based platform. The disclosed technology enhances the user experience (both web and mobile user experience) by providing the ease with which the manner in which content and users can be discovered and browsed. Additionally, enhanced social features surrounding content is also disclosed. The disclosed technology further enhances the user experience by providing the ability to ‘like’ a file as a quick, easy way users/collaborators can note approval, attention, or preference of a file/work item. | 04-10-2014 |
20140201138 | FUNCTIONALITIES, FEATURES, AND USER INTERFACE OF A SYNCHRONIZATION CLIENT TO A CLOUD-BASED ENVIRONMENT - Embodiments in the present disclosure include systems and methods related to a synchronization client of a cloud-based collaboration platform that runs on a user device for synchronizing folders and files between a location on the cloud-based collaboration platform and a location on the user device. The synchronization client informs a user of the status of synchronization processes and allows a user to choose various options depending on the informed status. | 07-17-2014 |
Randolph J. Sheffield, Sugar Land, TX US
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20100139930 | SYSTEM AND METHOD TO SEAL USING A SWELLABLE MATERIAL - The invention is a sealing system, such as a packer, that is used in a wellbore to seal against an exterior surface, such as a casing or open wellbore. The sealing system includes a swellable material that swells from an unexpanded state to an expanded state thereby creating a seal when the swellable material comes into contact with a triggering fluid. | 06-10-2010 |
Robert L Sheffield, Boulder, CO US
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20160034186 | HOST-BASED DEVICE DRIVERS FOR ENHANCING OPERATIONS IN REDUNDANT ARRAY OF INDEPENDENT DISKS SYSTEMS - Methods and structure for host-side device drivers for Redundant Array of Independent Disks (RAID) systems. One system includes a processor and memory of a host, which implement a device driver. The device driver receives an Input/Output (I/O) request from an Operating System (OS) of the host, translates Logical Block Addresses (LBAs) from the received request into physical addresses at multiple storage devices, generates child I/O requests directed to the physical addresses based on the received request, and accesses an address lock system at a RAID controller to determine whether the physical addresses are accessible. If the physical addresses are accessible, the device driver reserves the physical addresses by updating the address lock system, and directs the child I/O requests to a hardware path at the RAID controller for handling single-strip I/O requests. If the physical addresses are not accessible, the device driver delays processing of the child I/O requests. | 02-04-2016 |
Robert L. Sheffield, Longmont, CO US
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20100153612 | TRANSPORT AGNOSTIC SCSI I/O REFERRALS - The present invention is a method for providing multi-pathing via Small Computer System Interface Input/Output (SCSI I/O) referral between an initiator and a storage cluster which are communicatively coupled via a network, the storage cluster including at least a first target device and a second target device. The method includes receiving an input/output (I/O) at the first target device from the initiator via the network. The I/O includes a data request. The method further includes transmitting a SCSI I/O referral list to the initiator when data included in the data request is not stored on the first target device, but is stored on the second target device. The referral list includes first and second port identifiers for identifying first and second ports of the second target device respectively. The first and second port identifiers are SCSI relative port identifiers. The first and second ports of the target device are identified as access ports for accessing the data requested in the data request. | 06-17-2010 |
20100268743 | APPARATUS AND METHODS FOR TREE MANAGEMENT ASSIST CIRCUIT IN A STORAGE SYSTEM - Apparatus and methods for improved tree data structure management in a storage controller. A tree assist circuit coupled with a tree memory is provided for integration in a storage controller. I/O processors of the storage controller transmit requests to the tree assist circuit to create, modify, and access tree data structures stored in the tree memory. In one exemplary embodiment, the tree assist circuit is adapted to manage AVL trees. The tree data structures may be used by the I/O processors of the storage controller to manage region lock requests, cache-line lookup request, and other storage management functions of the controller. The I/O processors of the controller may comprise suitable programmed general-purpose processors and/or fast-path I/O request processor circuits. | 10-21-2010 |
20100268904 | APPARATUS AND METHODS FOR REGION LOCK MANAGEMENT ASSIST CIRCUIT IN A STORAGE SYSTEM - Apparatus and methods for improved region lock management in a storage controller. A region lock management circuit coupled with a memory is provided for integration in a storage controller. One or more I/O processor circuits of the storage controller transmit requests to the region lock management circuit to request a temporary lock for a region of storage on a volume of the storage system. The region lock management circuit determines whether the requested lock may be granted or whether it conflicts with other presently locked regions. Presently locked regions and regions to be locked are represented by region lock data structures. In one exemplary embodiment, the region lock data structures for each logical volume may be stored as a tree data structure. A tree assist circuit may also be provided to aid the region lock management circuit in managing the region lock tree data structures. | 10-21-2010 |
20120303894 | TRANSPORT AGNOSTIC SCSI I/O REFERRALS - The present invention is a method for providing multi-pathing via Small Computer System Interface Input/Output (SCSI I/O) referral between an initiator and a storage cluster which are communicatively coupled via a network. The method includes receiving an input/output (I/O) at a first target device from the initiator via the network. The I/O includes a data request. The method further includes transmitting a SCSI I/O referral list to the initiator when data included in the data request is not stored on the first target device, but is stored on a second target device. The referral list includes first and second port identifiers for identifying first and second ports of the second target device respectively. The first and second ports of the target device are identified as access ports for accessing the data requested in the data request. | 11-29-2012 |
20130080828 | METHODS AND APPARATUS FOR MARKING WRITES ON A WRITE-PROTECTED FAILED DEVICE TO AVOID READING STALE DATA IN A RAID STORAGE SYSTEM - Methods and apparatus for improved building of a hot spare storage device in a RAID storage system while avoiding reading of stale data from a failed storage device. In the recovery mode of the failed device, all data is write protected on the failed device. A RAID storage controller may copy as much readable data as possible from the failed device to the hot spare storage device. Unreadable data may be rebuilt using redundant information of the logical volume. Write requests directed to the failed device cause the addressed logical block address (LBA) to be marked as storing stale data. When a read request is directed to such a marked LBA, the read request returns an error status from the failed device to indicate that the data is stale. The RAID controller then rebuilds the now stale data for that LBA from redundant information of the logical volume. | 03-28-2013 |
20130290571 | METHODS AND STRUCTURE FOR DETERMINING MAPPING INFORMATION INCONSISTENCIES IN I/O REQUESTS GENERATED FOR FAST PATH CIRCUITS OF A STORAGE CONTROLLER - Methods and structure are disclosed for improved processing of fast path I/O requests in a storage controller utilizing version information embedded in the fast path I/O requests. The version information allows the storage controller to determine if the mapping information utilized by the host system in generating a fast path I/O request specifies the mapping information utilized by the storage controller. The controller comprises a fast path I/O request processing circuit tightly coupled with host system drivers for fast processing of requests directed to storage devices of a logical volume. The controller also comprises a logical volume I/O processing software stack for processing I/O requests from a host system directed to a logical volume. If the mapping information utilized by the host does not match the mapping information utilized by the storage controller, fast path I/O requests are transferred to the I/O request processing stack for subsequent processing. | 10-31-2013 |
20140359216 | CONFIRMED DIVERT BITMAP TO SYNCHRONIZE RAID FIRMWARE OPERATIONS WITH FAST-PATH HARDWARE I/O PROCESSING - A storage controller system is provided for the monitoring of fast path processing of I/Os to a storage device where the storage controller system allows for processing of I/Os to be monitored through the use of counters in a storage controller based upon the type of I/O issued to the storage controller as well as the conditions associated with the I/O, while providing a bitmap and associated divert bits and counters to monitor the processing of the I/Os in the storage controller. Methods for monitoring the processing of I/Os issued to the storage controller are also provided where the processing of the I/Os is based upon the type fast path I/Os issued to the storage controller and the conditions associated with the issued I/Os while providing a bitmap and associated divert bits and counters to monitor the processing of the I/Os in the storage controller, are also disclosed. | 12-04-2014 |
20140365692 | SHARING OF BYPASSED I/O TRANSACTION INFORMATION - A first I/O transaction request is sent to a storage controller for processing by firmware running on the storage controller. A second I/O transaction request is sent to storage hardware without further processing by the firmware running on the storage controller. Since the firmware did not process the second I/O transaction request, information associated with the second I/O transaction is stored in in a circular buffer accessible to the firmware running on the storage controller. The firmware running on the storage controller reads, from the circular buffer, the information associated with the second I/O transaction that was stored in the circular buffer. | 12-11-2014 |
20140365736 | Hardware Based Cache Scan with Divert Node Handling - Methods for managing region lock in a storage controller are disclosed. Upon receiving in a hardware based region lock management circuit a data request, the region lock management circuit determines a lock type of a region lock specified in the data request and conditionally creates a region lock data structure, wherein the region lock data structure is conditionally created based on the type of the region lock requested. The region lock management circuit further determines whether the data request is requesting access to at least a portion of a locked data region and the lock type of the locked data region. If the data request is requesting access to at least a portion of the locked data region and the lock type of the locked data region permits firmware diversion, the region lock management circuit diverts the data request to a storage controller firmware processor for further processing. | 12-11-2014 |
20150019818 | Maintaining Cache Size Proportional to Power Pack Charge - The present disclosure is directed to a method for managing a cache based on a charge of a power source. The method includes the step of determining a charge of the power source at a first time instance. The method also includes the step of designating for write back cache an amount of data in the cache which can be offloaded from the cache based on the charge of the power source at the first time instance. The method also includes the step of designating as write through cache an amount of data remaining in the cache which was not designated as write back cache. | 01-15-2015 |
20150134855 | Decoupling Host and Device Address Maps for a Peripheral Component Interconnect Express Controller - A controller includes a virtual memory mapped to device-side Peripheral component interconnect express address space includes virtual buffers allocation for each data transfer. Each virtual buffer is associated with a scatter/gather list entry in a host memory. The controller executes direct transfers between Peripheral component interconnect express devices and host memory without introducing address mapping dependencies between the host and device domains. | 05-14-2015 |
Tamara K. Sheffield, Chesterfield, MO US
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20130119214 | Portable Item Holder Having An Elongate Void Extending Between Two Openings For Receiving The Item - An item holder, mountable by suction on a mounting surface, including a deformable body having a convex outer surface that is substantially free of protrusions, a concave inner surface, and an edge extending around the outer and the inner surfaces. The deformable body is shaped to form in the body an elongate void extending through the deformable body, between the concave inner surface and the convex outer surface, in a direction that is generally parallel to the mounting surface during use of the holder. The elongate void formed by the deformable body terminates at opposing openings including of a first opening opposite a second opening. The body also defines a suction portion needed for creating the suction between the body and the mounting surface. The holder also includes a link component extending into the first opening, through the elongate void, and out of the second opening. | 05-16-2013 |
Tatum Michael Sheffield, Missouri City, TX US
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20130083626 | SYSTEM AND METHOD FOR ANALYZING SEISMIC DATA BACKGROUND - A system, method and device may be used to evaluate stacked seismic trace data. A portion of each of a number of seismic traces is isolated and an un-tuned biased volume and a tuned biased volume are produced for each trace. The un-tuned biased volume and tuned biased volume are combined to determine zones having a high probability of containing hydrocarbon resources. | 04-04-2013 |
Val Sheffield, Iowa City, IA US
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20110033921 | BARDET-BIEDL SUSCEPTIBILITY GENE AND USES THEREOF - The present invention relates to the identification of a gene, now designated negevin (ngvn), that is involved in the genetic disease Bardet Biedl Syndrome (BBS), which is characterized by such diverse symptoms as obesity, diabetes, hypertension, mental retardation, renal cancer and other abnormalities, retinopathy and hypogonadism. The human NGVN protein disclosed herein is 731 amino acids in length and is coded for by a gene spanning 17 exons. Homologs have been identified in mouse, rat, zebrafish. Methods of use for the gene, for example in diagnosis and therapy of BBS and in drug screening, also are described. | 02-10-2011 |
Val C. Sheffield, Iowa City, IA US
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20110104154 | SINGLE NUCLEOTIDE POLYMORPHISMS AND GENES ASSOCIATED WITH AGE-RELATED MACULAR DEGENERATION - The invention provides genes and polymorphisms associated with AMD, and methods for diagnosing an increased risk of AMD in a patient who has at least one of the AMD-associated polymorphisms as provided. | 05-05-2011 |
Wanda Sheffield, Stockton, CA US
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20100032444 | Dispenser For An Orally Dissolvable Strip - A dispenser for an orally dissolvable strip sandwiched between two layers of wrap material includes first and second generally parallel receiving spools for receiving the respective layers of wrap material, said receiving spools being spaced apart for the orally dissolvable strip and the layers of wrap material to pass therebetween. The first and second spools may be coupled to portions of the first and second layers of wrap material, respectively. A force transfer apparatus is configured to rotate the second spool when the first spool rotates. The dispenser includes a housing containing the first and second receiving spools, the force transfer apparatus, the orally dissolvable strip, and the layers of wrap material, the housing having a slot sized for the orally dissolvable strip to pass through, the means for rotating the spools being accessible from outside the housing. | 02-11-2010 |
20110271811 | Dispenser for an Orally Dissolvable Strip - A dispenser for an orally dissolvable strip includes a pair of receiving spools for receiving respective layers of wrap material that sandwich the orally dissolvable strip. A rotatable knob is coupled to the spools for actuating the spools. A force transfer apparatus is configured to rotate the second spool when the first spool rotates. A housing contains the receiving spools, force transfer apparatus, orally dissolvable strip, and layers of wrap material, the housing having a slot sized for the dissolvable strip to pass through. A coupling element is connected to a housing side wall configured connect the housing laterally to another housing side wall. A channel extends between a knob input aperture and a housing rear plate output channel. A drive shaft is positioned in the channel and configured to extend from the output channel and operatively couple the rotatable knob with a rotatable knob of another dispenser. | 11-10-2011 |
Wanda Annette Sheffield, Miami, FL US
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20080209608 | Smoker's Bib - The purpose for the smoker's bib is to keep smokers from burning their clothes while driving with the air conditioner on. The smoker's bib will be made from a light weight and anti-flammable material which will not cause a fire. | 09-04-2008 |
W. Doughlas Sheffield, Loveland, OH US
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20100274305 | METHOD AND APPARATUS FOR ELECTRICALLY STIMULATING CELLS IMPLANTED IN THE NERVOUS SYSTEM - The following disclosure describes several methods and apparatus for stimulating cells implanted in the regions of nervous system, such as the brain, spinal cord or peripheral nerves. Accordingly, the functionality of the cells can be improved, for example, by differentiating undifferentiated or partially undifferentiated cells into neurons or other cells having action potentials. The method can also include promoting directional growth and connectivity of fully differentiated neural cells implanted in a patient's nervous system through electrical enhancement, for example, electrical stimulation via an anode and cathode. Methods in accordance with the invention can be used to treat brain damage (e.g., stroke, trauma, etc.), brain disease (e.g., Alzheimer's, Pick's, Parkinson's, etc.), and/or brain disorders (e.g., epilepsy, depression, etc.). The methods in accordance with the invention can also be used to enhance neural-function of normal, healthy brains (e.g., learning, memory, etc.), or to control sensory functions (e.g., pain). | 10-28-2010 |
W. Douglas Sheffield, Seattle, WA US
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20080208285 | Methods for Treating Neurological Disorders, Including Neuropsychiatric and Neuropsychological, Disorders, and Associated Systems - Methods for treating neurological disorders, including neuropsychiatric and neuropsychological disorders, and associated systems are disclosed. One such method includes identifying one or more neural populations, including a cortical target neural population, associated with a neurological condition. The method can further include comparing a patient-specific measure of a characteristic parameter for a selected one of the neural populations with a target measure for the same parameter. If the patient-specific measure differs from the target measure by at least a target amount, the method can include selecting an electrical signal polarity, frequency, or both polarity and frequency based at least in part on the difference between the patient-specific measure and the target measure. The method can further include applying electrical signals to the target neural population at the selected signal polarity, frequency, or both polarity and frequency to reduce the difference between the patient-specific measure and the target measure. | 08-28-2008 |
20110004270 | METHODS AND APPARATUS FOR EFFECTUATING A LASTING CHANGE IN A NEURAL-FUNCTION OF A PATIENT - The following disclosure describes several methods and apparatus for intracranial electrical stimulation to treat or otherwise effectuate a change in neural-functions of a patient. Several embodiments of methods in accordance with the invention are directed toward enhancing or otherwise inducing a lasting change in neural activity to effectuate a particular neural-function. Such lasting change in neural activity is defined as “neuroplasticity.” The methods in accordance with the invention can be used to treat brain damage (e.g., stroke, trauma, etc.), brain disease (e.g., Alzheimer's, Pick's, Parkinson's, etc.), and/or brain disorders (e.g., epilepsy, depression, etc.). The methods in accordance with the invention can also be used to enhance neural-function of normal, healthy brains (e.g., learning, memory, etc.), or to control sensory functions (e.g., pain). Certain embodiments of methods in accordance with the invention electrically stimulate the brain at a stimulation site where neuroplasticity is occurring. The stimulation site may be different than the region in the brain where neural activity is typically present to perform the particular neural function according to the functional organization of the brain. In one embodiment in which neuroplasticity related to the neural-function occurs in the brain, the method can include identifying the location where such neuroplasticity is present. In an alternative embodiment in which neuroplasticity is not occurring in the brain, an alternative aspect is to induce neuroplasticity at a stimulation site where it is expected to occur. Several embodiments of these methods that are expected to produce a lasting effect on the intended neural activity at the stimulation site use electrical pulses that increase the resting membrane potential of neurons at the stimulation site to a subthreshold level. | 01-06-2011 |
20110201944 | NEUROLOGICAL MONITORING AND ALERTS - A system for providing alerts of neurological events occurring in a human subject is provided. The system includes: a monitoring module adapted to detect and sample a neurological signal; an event detection module coupled to the monitoring module for detecting one or more types of predetermined reportable events based on the detected neurological signal; and an alert module coupled to the event detection module, wherein upon the detection of a reportable event by the event detection module, said alert module selects a first alert contact from a plurality of contacts contained in a contact list, and generates a first alert communication to the first alert contact. | 08-18-2011 |
W. Douglas Sheffield, Seatac, WA US
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20090299435 | Systems and Methods for Enhancing or Affecting Neural Stimulation Efficiency and/or Efficacy - Systems and methods for enhancing or affecting neural stimulation efficiency and/or efficacy are disclosed. In one embodiment, a system and/or method may apply electromagnetic stimulation to a patient's nervous system over a first time domain according to a first set of stimulation parameters, and over a second time domain according to a second set of stimulation parameters. The first and second time domains may be sequential, simultaneous, or nested. Stimulation parameters may vary in accordance with one or more types of duty cycle, amplitude, pulse repetition frequency, pulse width, spatiotemporal, and/or polarity variations. Stimulation may be applied at subthreshold, threshold, and/or suprathreshold levels in one or more periodic, aperiodic (e.g., chaotic), and/or pseudo-random manners. In some embodiments stimulation may comprise a burst pattern having an interburst frequency corresponding to an intrinsic brainwave frequency, and regular and/or varying intraburst stimulation parameters. Stimulation signals providing reduced power consumption with at least adequate symptomatic relief may be applied prior to moderate or significant power source depletion. | 12-03-2009 |
20120041498 | SYSTEMS AND METHODS FOR ENHANCING OR AFFECTING NEURAL STIMULATION EFFICIENCY AND/OR EFFICACY - Systems and methods for enhancing or affecting neural stimulation efficiency and/or efficacy are disclosed. In one embodiment, a system and/or method may apply electromagnetic stimulation to a patient's nervous system over a first time domain according to a first set of stimulation parameters, and over a second time domain according to a second set of stimulation parameters. The first and second time domains may be sequential, simultaneous, or nested. Stimulation parameters may vary in accordance with one or more types of duty cycle, amplitude, pulse repetition frequency, pulse width, spatiotemporal, and/or polarity variations. Stimulation may be applied at subthreshold, threshold, and/or suprathreshold levels in one or more periodic, aperiodic (e.g., chaotic), and/or pseudo-random manners. In some embodiments stimulation may comprise a burst pattern having an interburst frequency corresponding to an intrinsic brainwave frequency, and regular and/or varying intraburst stimulation parameters. Stimulation signals providing reduced power consumption with at least adequate symptomatic relief may be applied prior to moderate or significant power source depletion. | 02-16-2012 |
20140222113 | SYSTEMS AND METHODS FOR ENHANCING OR AFFECTING NEURAL STIMULATION EFFICIENCY AND/OR EFFICACY - Systems and methods for enhancing or affecting neural stimulation efficiency and/or efficacy are disclosed. In one embodiment, a system and/or method may apply electromagnetic stimulation to a patient's nervous system over a first time domain according to a first set of stimulation parameters, and over a second time domain according to a second set of stimulation parameters. The first and second time domains may be sequential, simultaneous, or nested. Stimulation parameters may vary in accordance with one or more types of duty cycle, amplitude, pulse repetition frequency, pulse width, spatiotemporal, and/or polarity variations. Stimulation may be applied at subthreshold, threshold, and/or suprathreshold levels in one or more periodic, aperiodic (e.g., chaotic), and/or pseudo-random manners. In some embodiments stimulation may comprise a burst pattern having an interburst frequency corresponding to an intrinsic brainwave frequency, and regular and/or varying intraburst stimulation parameters. Stimulation signals providing reduced power consumption with at least adequate symptomatic relief may be applied prior to moderate or significant power source depletion. | 08-07-2014 |
W. Douglas Sheffield US
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20110092882 | SYSTEMS AND METHODS FOR PATIENT INTERACTIVE NEURAL STIMULATION AND/OR CHEMICAL SUBSTANCE DELIVERY - Systems and methods for patient interactive neural stimulation and/or chemical substance delivery are disclosed. A method in accordance with one embodiment of the invention includes affecting a target neural population of the patient by providing to the patient at least one of an electromagnetic signal and a chemical substance. The method can further include detecting at least one characteristic of the patient, with the characteristic at least correlated with the patient's performance of an adjunctive therapy task that is performed in association with affecting the target neural population. The method can still further include controlling at least one parameter in accordance with which the target neural population is affected, based at least in part on the detected characteristic. | 04-21-2011 |
William James Sheffield, Niles, MI US
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20110108500 | JOIST HANGER SYSTEM - A joist mounted storage system having a pair of saddles, each of which rest upon and about adjacent joists. Extending upwardly from the saddles are arms between which pulleys are suspended and supported for the purpose of raising and lowering objects for storage. | 05-12-2011 |