Chmielewski, US
Craig Chmielewski, Shelby Twp., MI US
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20080265516 | TWO STAGE SEALANTS AND METHOD OF FORMING AND/OR USING THE SAME - A sealant is configured to activate (e.g., cure and/or foam) in two stages (e.g., of two distinct portions of time). Advantageously, the sealant can exhibit self supporting characteristics during the second activation at least partly because of the first activation. | 10-30-2008 |
20090298974 | COMPOSITE WITH NATURAL FIBERS - A polymeric composite material, and method of making the same, including a polymeric blend that includes at least one thermoplastic polymer; at least one functionalized polymer; at least one polyetheramine thermoplastic material; and a plurality of particles (e.g. naturally occurring organic materials) distributed substantially homogeneously throughout the polymeric blend. Articles employing such materials are also disclosed. | 12-03-2009 |
20160046047 | REFORMABLE EPOXY RESIN FOR COMPOSITES - The present invention contemplates a method for forming a composite structure including a plurality of rigid layers and one or more reformable epoxy resin layers. The resulting composite is molded to form a non-planar composite structure. | 02-18-2016 |
Craig Chmielewski, Shelby Township, MI US
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20120028032 | STRUCTURAL COMPOSITE LAMINATES - A composite laminate is formed from a structural foam and a reinforcement layer. The matched surface tensions of the structural foam and reinforcement layer result in increased bond strength between the structural foam and the reinforcement layer, thus providing for improved physical characteristics including improved lap shear and flexural strength. | 02-02-2012 |
20140378567 | HEAT STABILIZED SOFT EXPANDABLE SEALANT COMPOSITIONS - Soft, heat activated sealant compositions heat stabilized through the addition of a phenolic resin to provide a uniform volume expansion over a wide range of temperatures are disclosed. | 12-25-2014 |
Dave Chmielewski, Lakeville, MN US
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20160114132 | APPARATUS AND METHOD FOR CONNECTING ELEMENTS IN MEDICAL DEVICES - A connection device for a deflectable medical device, such as a catheter, comprises an elongate planarity wire having a proximal end and a distal end, an elongate activation wire having a proximal end a distal end, a passage and an interface. The passage extends through the planarity wire near the distal end of the planarity wire. The distal end of the activation wire extends through the passage. The interface is between the passage and the activation wire, and may comprise one or more of the following: a hook and bore interface, a detent interface, a mechanical interface, or a metallurgical interface. | 04-28-2016 |
David R. Chmielewski, Charlotte, MI US
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20160055126 | USER INTERFACES GENERATED BY A WORKFLOW ENGINE - According to one embodiment of the present disclosure, a first processor with a store of application rules and a second processor communicably coupled to the first processor. The second processor generates a request for a next user application screen. The request comprises a current application screen identifier and user data. The second processor transmits the request for the user application screen to the first processor. The first processor receives the request for the next user application screen and determines dynamically, based on the current application screen identifier, the user data, and the plurality of application rules, user interface contents of the next user application screen. The first processor formats a response describing the user interface contents of the next user application screen and transmits the response to the second processor. The second processor receives the response and renders the next user application screen. | 02-25-2016 |
Harry Chmielewski, Raleigh, NC US
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20150245958 | ABSORBENT ARTICLE WITH MULTI-LAYER FOLDED ABSORBENT CORE - Absorbent laminates and multi-layer, folded absorbent cores comprising the absorbent laminates for use in absorbent articles are presented. Specifically, multi-layer, folded absorbent cores are presented that are formed from an absorbent laminate comprising an absorbent layer between two tissue layers, in which the absorbent core includes a central channel running longitudinally along the core and crenellations profiled along the thickness of the core and providing enhanced liquid distribution across the core surface area or profile and improved liquid absorption into the laminate. | 09-03-2015 |
20150246506 | NOVEL ABSORBENT LAMINATE FOR DISPOSABLE ABSORBENT ARTICLES - Novel absorbent laminate for use in absorbent articles comprising thermoplastic adhesive compositions with a glass transition temperature higher than 25° C. are described. The laminate exhibits improved absorption properties upon storage and improved delamination strength. | 09-03-2015 |
Harry J. Chmielewski, Wake Forest, NC US
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20160136321 | SYNTHETIC SURFACTANT-FREE FINISH, SHEET HAVING SYNTHETIC SURFACTANT-FREE FINISH, ARTICLES HAVING SHEET WITH SYNTHETIC SURFACTANT-FREE FINISH, AND RELATED METHODS - Nonwoven (and film) topsheet and acquisition/distribution materials treated with a hydrophilic, synthetic surfactant-free finish, absorbent articles for infant or incontinence care that contain these materials, and methods for apply such finishes and/or making such absorbent articles. | 05-19-2016 |
Harry J. Chmielewski, Brunswick, GA US
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20120148518 | CELLULOSIC FIBERS WITH ODOR CONTROL CHARACTERISTICS - An odor-inhibiting fiber having a cellulosic fiber and an odor-inhibiting formulation. The odor-inhibiting formulation may contain an odor-inhibiting agent, such as a biocide, an enzyme, a urease inhibitor. The odor-inhibiting formulation also may contain a liquid carrier such as a hydrophobic or hydrophilic organic liquid, or a mixture of a hydrophobic and hydrophilic organic liquid. The cellulosic fiber is impregnated with the odor-inhibiting formulation to produce fiber having odor-inhibiting characteristics. The resultant odor-inhibiting fiber is useful in making absorbent articles with odor-inhibiting characteristics. The fiber of the embodiments prevents odor by inhibiting bacteria growth and ammonia production, especially when used in an absorbent article such as a diaper or adult incontinence device. | 06-14-2012 |
Harry J. Chmielewski, Raleigh, NC US
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20140276509 | ABSORBENT STRUCTURE WITH DISCRETE ACQUISITION CELLS - An absorbent structure including a composite absorbent laminate is disclosed, with the structure suitable for use in disposable absorbent products such as for infant or incontinence care. Notably the laminate comprises discrete acquisition cells each comprising particles of preferably cellulosic absorbent material. The absorbent structure further comprises particulate superabsorbent polymer which can either be blended with the particulate discrete acquisition cells in the absorbent laminate, or provided in a separate absorbent layer of the absorbent structure. The discrete acquisition cells desirably generate free volume for rapid capillary absorption in an ultra-thin absorbent structure. | 09-18-2014 |
20140276510 | ABSORBENT STRUCTURE WITH DRYNESS LAYER - An absorbent structure including a dryness layer laminate is disclosed, with the structure suitable for use in disposable absorbent products such as for infant or incontinence care. The dryness layer laminate is positioned adjacent an associated absorbent core, between the absorbent core and the wearer, for enhancing surface dryness and comfort for the wearer. The dryness layer laminate comprises adhesive fibers or filaments, and particulate superabsorbent, and is configured to permit liquid to pass through the laminate to the associated absorbent core, while acting to remove liquid from the surface of the absorbent structure positioned adjacent to the wearer. | 09-18-2014 |
James Frank Chmielewski, Prior Lake, MS US
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20150288303 | MOTOR DRIVE AND METHOD OF CONTROLLING A TEMPERATURE OF A MOTOR DRIVE - There is provided a motor drive comprising: a temperature sensor arranged to sense a temperature of the drive; a braking resistor; switching means arranged when activated to cause current to flow to the braking resistor; and controlling means arranged to activate the switching means when the sensed temperature falls below a predetermined threshold. There is also provided a method of controlling a temperature of a motor drive comprising a braking resistor. The method comprising comprises: monitoring a temperature of the drive; and activating switching means to cause current to flow to the braking resistor when the monitored temperature falls below a predetermined threshold. | 10-08-2015 |
Jean A Chmielewski, Lafayette, IN US
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20100068786 | METHODS AND COMPOSITIONS FOR REVERSING P-GLYCOPROTEIN MEDICATED DRUG RESISTANCE - A method for inhibiting therapeutic drug resistance within a cell over-expressing a membrane protein is provided. The method comprises synthesizing a dimeric prodrug inhibitor of a monomeric therapeutic agent; administering the dimeric prodrug inhibitor to the membrane protein together with the monomeric therapeutic agent; and occupying at least one substrate binding site of the membrane protein with the synthesized dimeric prodrug to allow the monomeric therapeutic agent to accumulate within the cell. The dimeric prodrug inhibitor contains a crosslinking agent that is adapted to breakdown under reducing conditions within the cytosol of the cell to cause the dimeric prodrug to revert back to a form equivalent to the monomeric therapeutic agent. | 03-18-2010 |
20110081324 | COLLAGEN PEPTIDE CONJUGATES AND USES THEREFOR - Described herein are conjugates of collagen peptides and metal binding agents and compositions resulting therefrom, useful in various tissue engineering and regeneration applications, in cell culture, cell adhesion, cosmetic surgery, construction of artificial skin substitutes, management of severe burns and burn surgery, reconstruction of bone and a wide variety of dental, orthopedic and surgical purposes, as drug delivery vehicles and in delivering populations of cells to a site of disease or injury. | 04-07-2011 |
Jean Anne Chmielewski, Lafayette, IN US
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20150314009 | DUAL-ACTION, UNNATURAL PROLINE-RICH PEPTIDES AS ANTIBIOTIC AGENTS AND METHODS THEREOF - The present invention cationic amphiphilic polyproline helices (CAPHs) compounds having increased hydrophobicity and cellular internalization as antimicrobial agents. Antimicrobial compositions and methods of using the same are also provided. | 11-05-2015 |
John L. Chmielewski, Lake Mary, FL US
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20110194686 | Method of encrypting and transmitting data and system for transmitting encrypted data - A method of encrypting and transmitting data and a system for transmitting encrypted data. The method includes one or more different encryption algorithms, and may include employing different encryption algorithms to achieve multiple levels of encryption. A first encryption algorithm is based upon multiple rearrangements of bits representing data to obtain encoded data. A second encryption algorithm is based upon performing multiple XOR operations on bits representing data so that each data word is at least encoded with previous data words. The system comprises first and second computers and a plurality of communication parameters. The two computers are communicably connected to a network, and the second computer is adapted to route a transmission to the first computer. The transmission includes a data part and a header part, both of which are encrypted by the second computer utilizing the communication parameters. The first computer decrypts the transmission utilizing the communication parameters. | 08-11-2011 |
Laura R. Chmielewski, Huntington Woods, MI US
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20090207994 | TELEMATICS UNIT NUMBER PROVISIONING - Examples of the invention are used to provide a system and method for provisioning a telematics unit number based on a phone number already used by a customer. In examples, the telematics unit is provisioned with a number that aligns with a rate center plan, which is likely to result in a number that is local to a number the customer uses for dialing the unit and/or matches the area code of a number on the customer's account. In example a wireless telephone number is assigned to a vehicle telematics unit from an inventory of available wireless telephone numbers by querying the inventory to identify the wireless telephone number that matches one or more of the customer's home rate center, customer's NPA, customer's NXX, and customer's overlay NPA information based on a plurality of predetermined conditions. | 08-20-2009 |
20100159869 | VEHICLE TELEMATICS COMMUNICATION FOR WELL-BEING CHECKS - A method and system for attempting contact with a person via a vehicle telematics unit. The method carried out by the system involves receiving a request for well-being check of a person, placing a call to that person's vehicle, and performing a well-being check if the person answers the call. If the call is not answered, then the method further involves setting a vehicle trigger, presenting a well-being check message to the occupant upon occurrence of the trigger, receiving a return call from the vehicle, and communicating with the occupant over the return call to verify the person's well-being and offer any needed assistance. | 06-24-2010 |
20110140871 | SYSTEM AND METHOD FOR DISABLING A VEHICLE - Systems and methods are provided for disabling a vehicle. An exemplary system includes, but is not limited to an antenna that is adapted to be attached to the vehicle. The antenna is configured to transmit and receive communication transmissions. A telematics unit is communicatively connected to the antenna. The telematics unit is adapted for attachment to the vehicle and is configured to communicatively connect to a necessary sub-system of the vehicle, to receive telecommunications from a user through the antenna, and to disable the necessary sub-system in response to receiving an instruction from the user to disable the vehicle. | 06-16-2011 |
20120028597 | OVERRIDING VEHICLE COMMUNICATIONS IN EMERGENCY SITUATIONS - A system and method for controlling calls in a vehicle during an emergency situation that includes identifying an emergency situation and placing a voice call or a data call to the vehicle in response to the emergency situation. If the placed call cannot be connected because the vehicle has another call in progress, then an SMS message is sent to the vehicle which contains a command used by the vehicle to interrupt the in-progress call. This enables a call center or public safety personnel to obtain remote access in emergency situations, such as when the vehicle location needs to be determined or an occupant of the vehicle is contacted. | 02-02-2012 |
20120289166 | AUTOMATING DIAL ATTEMPTS TO A TELEMATICS OR CELLULAR DEVICE - A system and method of managing communications with a vehicle telematics unit includes determining that a data transmission to a vehicle telematics unit over a wireless carrier system has failed; automatically performing a network registration check with the wireless carrier system to determine the registration status of the vehicle telematics unit based on the data transmission failure; and deciding whether to re-transmit the data to the vehicle based on the results of the network registration check. | 11-15-2012 |
Laura R. Chmielewski, Huntington Wood, MI US
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20110196805 | Rate Center Translation - The described system and apparatus facilitate the identification, on a per rate center (Npa Nxx) basis, of a best carrier rate center for a wireless subscriber, and also allow detection of errors in a provider's local inventory or in performance reference data. In one aspect, carrier performance data is combined with updated available inventory data via a SIT environment to create a correlated array of rate centers relative to service record and orderable carrier rate center inventory. The described system thus provides improved ordering and forecasting compared to existing systems, and can thus also provide enhanced customer satisfaction and a decrease in customer calls for HFC number change. | 08-11-2011 |
Michal Chmielewski, San Jose, CA US
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20140245269 | COMPACT ENCODING OF NODE LOCATIONS - Techniques for encoding node locations are provided. In some examples, a node in a hierarchy such as a document object model (DOM) may be expressed as a location path from the root node of the hierarchy to the node. Each node on the location path may be encoded using a mapping between the type and/or index of the node and a set of characters such as ASCII characters. The encoding of each node on the path be concatenated to form the encoded location path. The encoding seeks to minimize the length of the encoded location path. For example, in an embodiment, a single ASCII character may be used to encode both the type and the index of a node. In an embodiment, breakpoint locations may be encoded using methods provided to reduce storage and computing resource required. | 08-28-2014 |
20150046902 | EXECUTION SEMANTICS FOR SUB-PROCESSES IN BPEL - A system and method for facilitating execution of a portion of a process via a subprocess. An example method includes encapsulating process logic of a portion of a parent process via the subprocess, wherein the parent process is encoded via a business process language characterized by process lifecycle management functionality; using an instance of a call activity in a scope of the parent process or subprocess to activate the subprocess, yielding a called subprocess in response thereto; and employing a business process runtime engine to adjust a scope of the subprocess to inherit the scope of the process used to call the subprocess, thereby enabling the process lifecycle management functionality to govern a lifecycle of the subprocess. In a more specific embodiment, the business process language includes standard Business Prosecution Execution Language (BPEL); the parent process represents a business process; and the subprocess includes a standalone subprocess. | 02-12-2015 |
20150046929 | USING-SUB-PROCESSES ACROSS BUSINESS PROCESSES IN DIFFERENT COMPOSITES - A system and method for facilitating reuse of a portion of process logic by different processes. An example method includes providing a subprocess that is adapted to perform the process logic in a file accessible to a composite system, wherein the subprocess is adapted to be called by a first parent process via a subprocess extension to a business process language employed to encode the first parent process; using a call activity defined as part of the subprocess extension, and included in a scope of the first parent process to facilitate access to functionality of the subprocess by the parent process; and employing a business process engine to facilitate instantiating the subprocess, resulting in an instantiated subprocess in response thereto; and using a second parent process to share use of the instantiated subprocess with the first parent process. | 02-12-2015 |
20150248381 | COMPACT ENCODING OF NODE LOCATIONS - Techniques for encoding node locations are provided. In some examples, a node in a hierarchy such as a document object model (DOM) may be expressed as a location path from the root node of the hierarchy to the node. Each node on the location path may be encoded using a mapping between the type and/or index of the node and a set of characters such as ASCII characters. The encoding of each node on the path be concatenated to form the encoded location path. The encoding seeks to minimize the length of the encoded location path. For example, in an embodiment, a single ASCII character may be used to encode both the type and the index of a node. In an embodiment, breakpoint locations may be encoded using methods provided to reduce storage and computing resource required. | 09-03-2015 |
Muruganantham Chmielewski, Mountain View, CA US
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20150046905 | SUBPROCESS DEFINITION AND VISUALIZATION IN BPEL - A system and method for enabling reuse of a portion of a business process. An example method includes employing a business process language to facilitate accessing a definition of a subprocess characterizing the process logic, wherein the definition indicates one or more parameters to be used by the subprocess to implement a task specified by the process logic; and employing the definition to facilitate: using one or more variables of a parent process as one or more arguments that are passed to an instantiated version of the subprocess, and mapping the one or more arguments to the one or more parameters. In a more specific embodiment, the example method further includes characterizing a behavior of the subprocess via one or more dynamic scoping rules. The business process language includes a version of Business Process Execution Language (BPEL), and a BPEL extension activity facilitates defining the subprocess. | 02-12-2015 |
Paula A. Chmielewski, Cincinnati, OH US
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20160101026 | Apertured Fibrous Structures and Methods for Making Same - Apertured fibrous structures and more particularly apertured fibrous structures containing one or more fibrous elements, for example filaments, containing one or more fibrous element-forming materials and one or more active agents that are releasable from the fibrous element when exposed to conditions of intended use, and methods for making same. | 04-14-2016 |
Paul R. Chmielewski, Byron, MN US
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20100185985 | MANAGING RADIAL MENUS IN A COMPUTER SYSTEM - The present invention is generally related to graphical user interfaces (GUIs), and more specifically to displaying items in a radial menu. A radial menu may be displayed in a display screen including a first set of radial menu items. A screen object may also be displayed in the display screen. A second set of radial menu items may be displayed in the radial menu when a screen pointer event occurs over the screen object. | 07-22-2010 |
20100192101 | DISPLAYING RADIAL MENUS IN A GRAPHICS CONTAINER - Embodiments of the invention provide radial menus that allow users to quickly make selections of menu items using simple gestures. A radial menu may be displayed on a display screen in response to detecting a predefined screen pointer event such as a mouse click. Thereafter simple strokes using the screen pointer may be employed to select a desired item. The radial menus may be displayed on the display screen such that all radial menu items are visible thereon and there is sufficient space for making gestures for selecting radial menu items. | 07-29-2010 |
20100192102 | DISPLAYING RADIAL MENUS NEAR EDGES OF A DISPLAY AREA - Embodiments of the invention provide radial menus that allow users to quickly make selections of menu items using simple gestures. A radial menu may be displayed on a display screen in response to detecting a predefined screen pointer event such as a mouse click. Thereafter simple strokes using the screen pointer may be employed to select a desired item. The radial menus may be displayed on the display screen such that all radial menu items are visible thereon and there is sufficient space for making gestures for selecting radial menu items. | 07-29-2010 |
20100299637 | RADIAL MENUS WITH VARIABLE SELECTABLE ITEM AREAS - A method and apparatus for facilitating selection of items from a radial menu. Radial menu items may be differentiated from one another based on a desired difficulty of selection from the radial menu. Where it is desirable to make a radial menu item easy to select, the radial menu item may be placed in a relatively larger pie slice of the radial menu. Conversely, where it is desirable to make a radial menu item difficult to select, the radial menu item may be placed in a relatively smaller pie slice of the radial menu. | 11-25-2010 |
20110066980 | PLACEMENT OF ITEMS IN RADIAL MENUS - Methods, systems, and articles of manufacture for placing menu items in a radial menu. A radial menu may be displayed in response to receiving a predefined gesture made with a screen pointer. A plurality of global menu items may be placed at predefined locations in the radial menu. A set of local menu items that are to be displayed in the radial menu be determined and displayed in the radial menu based on one or more predefined relationships between the local or global radial menu items. | 03-17-2011 |
20110066981 | PLACEMENT OF ITEMS IN CASCADING RADIAL MENUS - Methods, systems, and articles of manufacture for placing menu items in a cascading radial menu. A cascading radial menu may be displayed upon receiving a gesture that causes a screen pointer to select a radial menu item in a first radial menu. The first radial menu item may be associated with a second radial menu. One or more second radial menu items may be placed in the second radial menu based on a direction of movement of the screen pointer in the gesture to select the radial menu item in the first radial menu. | 03-17-2011 |
Paul Richard Chmielewski, Rochester, MN US
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20080229243 | TRACKING NETWORK SOCKET USAGE IN A DATA COMMUNICATION NETWORK - A method, apparatus and computer readable medium is provided for tracking processes using a socket object. The processes are utilized to execute an application program. Initially, a process list for the socket object is created, such that the process list contains a process identifier for a first process using the socket object. If a second process is using the socket object, the process list is updated to include the process identifier for the second process. | 09-18-2008 |
Thaddeus A. Chmielewski, Huntington Woods, MI US
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20100107615 | REACTANT DELIVERY FOR ENGINE EXHAUST GAS TREATMENT - A reactant delivery system for engine exhaust gas treatment may include a tank in which a reactant is received, a pumping device, a pressure relief device, and a reactant distribution device. The pumping device may have an inlet disposed within the interior of the tank to receive the reactant, and an outlet through which the reactant is discharged. The pressure relief device may have an inlet in fluid communication with the outlet of the pumping device, a primary outlet to discharge the reactant under pressure to a downstream location, and a bypass outlet through which at least some of the reactant discharged from the pumping device is selectively discharged. And the reactant distribution device may be in fluid communication with the bypass outlet of the pressure relief device and have a plurality of outlets to distribute the reactant to at least two different locations within the tank. | 05-06-2010 |
20130104528 | REACTANT DELIVERY FOR ENGINE EXHAUST GAS TREATMENT | 05-02-2013 |
Thomas Chmielewski, Aurora, OH US
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20140266206 | Radio Frequency Transmit Coil For Magnetic Resonance Imaging System - A radio frequency coil is disclosed that is suitable for use with a magnetic resonance imaging apparatus. The radio frequency coil comprises first and second conductive loops connected electrically to each other by a plurality of conductive rungs. The conductive rungs each include a section that is relatively thin that will result in less attenuation to a radiation beam than other thicker sections of the rungs. Insulating regions are also disposed in areas of the radio frequency coil that are bound by adjacent rungs and the conductive loops. Portions of the insulating regions can be configured to provide a substantially similar amount of attenuation to the radiation beam as the relatively thin sections of the conductive rungs. | 09-18-2014 |
Thomas Chmielewski, Alpharetta, GA US
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20090164232 | MORTGAGE FRAUD DETECTION SYSTEMS AND METHODS - Mortgage fraud detection systems and methods are provided. A fraud detection system can generally comprise a database operator, a database manager, one or more users, and a database. Database components can be implemented as hardware, software, or a combination of both. A fraud detection method can generally comprise providing a database for maintaining a plurality of records. Data records can be continually received by a database in batchwise or single submission protocols. Records can be compared to determine whether they contain common data in one or more predetermined fields. If records contain common data in one or more predetermined fields, records can be examined for inconsistencies in one or more other data fields. Discovered inconsistencies and magnitudes of inconsistencies can be warning signs of fraud. Results of comparisons can be reported to system users to enable such users to investigate additional circumstances. Other embodiments and features are also claimed and described in the application. | 06-25-2009 |
20100241558 | MORTGAGE FRAUD DETECTION SYSTEMS AND METHODS - Mortgage fraud detection systems and methods are provided. A fraud detection system can generally comprise a database operator, a database manager, one or more users, and a database. Database components can be implemented as hardware, software, or a combination of both. A fraud detection method can generally comprise providing a database for maintaining a plurality of records. Data records can be continually received by a database in batchwise or single submission protocols. Records can be compared to determine whether they contain common data in one or more predetermined fields. If records contain common data in one or more predetermined fields, records can be examined for inconsistencies in one or more other data fields. Discovered inconsistencies and magnitudes of inconsistencies can be warning signs of fraud. Results of comparisons can be reported to system users to enable such users to investigate additional circumstances. Other embodiments and features are also claimed and described in the application. | 09-23-2010 |
Thomas Chmielewski, Stow, OH US
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20090054759 | Inherently Decoupled Solenoid Pair Elements - The present invention relates to an element configuration within an RF coil for use for MRI. The invention provides for an inherently electromagnetically decoupled solenoid element pair for receiving radio frequency magnetic resonance signals within a vertical field MRI system. The elements of the solenoid element pair described herein are typically positioned in a coplanar, side-by-side position. The decoupling of the solenoid pair can be accomplished through numerous methods including but not limited to an overlapping between the elements of the solenoid pair, use of a capacitor shared between the elements of the solenoid pair, or the use of overlapped inductors between the elements of the solenoid pair. | 02-26-2009 |
20120229141 | Optimized RF Shield Design - Radio frequency (RF) shields used with magnetic resonance imaging (MRI) apparatus may experience gradient field induced eddy currents and RF field induced eddy currents. These eddy currents can cause the RF shield to heat up at an undesirable rate. RF shields are designed to have a desired degree of RF shielding and a desired heating attribute. Design goals for RF shields include gradient field transparency and RF field opacity, both of which can be influenced by eddy currents. Example methods identify a gradient field that will induce eddy currents and identify an RF field that will induce eddy currents. If a region on the RF shield is identified where the desired heating attribute will not be achieved, then a pattern of axial cuts and azimuthal cuts can be made in the RF shield to reduce gradient eddy current heating in the RF shield while maintaining desired RF shielding. | 09-13-2012 |
20150212174 | Optimized RF Shield Design - Radio frequency (RF) shields used with magnetic resonance imaging (MRI) apparatus may experience gradient field induced eddy currents and RF field induced eddy currents. These eddy currents can cause the RF shield to heat up at an undesirable rate. RF shields are designed to have a desired degree of RF shielding and a desired heating attribute. Design goals for RF shields include gradient field transparency and RF field opacity, both of which can be influenced by eddy currents. Example methods identify a gradient field that will induce eddy currents and identify an RF field that will induce eddy currents. If a region on the RF shield is identified where the desired heating attribute will not be achieved, then a pattern of axial cuts and azimuthal cuts can be made in the RF shield to reduce gradient eddy current heating in the RF shield while maintaining desired RF shielding. | 07-30-2015 |
Thomas Chmielewski, Willoughby Hills, OH US
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20090021261 | Rf trap tuned by selectively inserting electrically conductive tuning elements - A magnetic resonance imaging scanner ( | 01-22-2009 |