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Freeman, TX
Alex Freeman, Dallas, TX US
| Patent application number | Description | Published |
|---|---|---|
| 20090311804 | MAGNETIC BEAD ASSISTED SAMPLE CONDITIONING SYSTEM - A magnetic bead assisted sampling system for a fluid sensor. Magnetic beads are dispersed in a sampling volume for collecting the analyte. The beads are packed into a small volume for pre-concentration of the analyte. A solvent may be applied to the beads to elute the analyte from the beads for movement to an analyzer. | 12-17-2009 |
| 20110155233 | HYBRID SOLAR CELLS - Solar cells and methods for manufacturing solar cells are disclosed. An example solar cell includes a first electrode and a second electrode. A first active layer may be disposed between the first electrode and the second electrode, and a second active layer different from the first active layer may also be disposed between the first electrode and the second electrode. One or more layers of conductive material may be disposed between the first active layer and the second active layer, if desired. In some instances, the first active layer may be sensitive to a first range of wavelengths, and the second active layer may be sensitive to a second range of wavelengths, where at least part of the first range of wavelengths does not overlap at least part of the second range of wavelengths. It is contemplated that more than two active layers may be used, if desired. | 06-30-2011 |
Benny D. Freeman, Austin, TX US
| Patent application number | Description | Published |
|---|---|---|
| 20100051538 | WATER PURIFICATION MEMBRANES WITH IMPROVED FOULING RESISTANCE - The present invention includes methods and compositions for liquid separation and water purification. The present invention includes a purification membrane having a polymer matrix purification membrane that has been treated with dopamine to form a polydopamine coated membrane with a high water flux and a high hydrophilicity. | 03-04-2010 |
| 20100059433 | POLYMER DEPOSITION AND MODIFICATION OF MEMBRANES FOR FOULING RESISTANCE - The present invention describes methods and compositions for the reduction, prevention and elimination of biofilm formation on a surface. The present invention provides a method of depositing a coating material to reduce or prevent biofilm formation on a surface by adding a dopamine coating material to a liquid solvent to form a solution mixture, adjusting a pH of the solution mixture to 8, 9, or 10 and dissolving the dopamine coating material in the liquid solvent. The solution mixture is then placed into contact with one or more surfaces to form a dopamine coating on the surface to reduce biofilm formation. | 03-11-2010 |
| 20110139709 | PROCESS OF FORMING CROSSLINKED COPOLYMER FILM, CROSSLINKED COPOLYMER FILM FORMED THEREBY, AND WATER PURIFICATION MEMBRANE - Azidoaryl-substituted cyclooctene monomers and synthesized and used in the preparation of various copolymers. Among these copolymers are those prepared from ring-opening metathesis polymerization of cyclooctene, polyethylene glycol-substituted cyclooctene, and azidoaryl-substituted cyclooctene. These copolymers are useful in the formation of crosslinked films that reduce fouling of water purification membranes. | 06-16-2011 |
Benny Dean Freeman, Austin, TX US
| Patent application number | Description | Published |
|---|---|---|
| 20100096327 | POLYMER COATINGS THAT RESIST ADSORPTION OF PROTEINS - The invention provides membranes useful for filtration of water and other liquids. The membrane may be a composite membrane having a polymer layer incorporating quaternary phosphonium or ammonium groups. The polymer layer may be resistant to protein adsorption in an aqueous environment. The membrane may also be a surface-modified membrane in which a polymer having quaternary phosphonium or ammonium groups is covalently attached to the membrane surface. Methods for making and using the membranes of the invention are also provided. | 04-22-2010 |
Brooks M. Freeman, Dallas, TX US
| Patent application number | Description | Published |
|---|---|---|
| 20100259056 | Post Hole Digger - A post hole digger is disclosed that is adapted to loosen earth and facilitate remove of the loosened earth from the post hole. The post hole digger may includes a pair of handles pivotably coupled together and a pair of spherical blades pivotably coupled to the pair of handles and to each other. | 10-14-2010 |
Cedric Freeman, Houston, TX US
| Patent application number | Description | Published |
|---|---|---|
| 20120042689 | PROCESS FOR PURIFYING NATURAL GAS AND REGENERATING ONE OR MORE ADSORBERS - One exemplary embodiment can be a process for purifying a natural gas by using first and second adsorbers. The process may include passing a feed including the natural gas through the first adsorber to obtain a purified natural gas product, regenerating the second adsorber in a heating stage, and regenerating the second adsorber in a cooling stage. The heating stage may include separating a portion of the feed comprised in a regeneration gas, passing the regeneration gas to a dryer for removing water, heating the regeneration gas with a heater after exiting the dryer, and passing the regeneration gas to the second adsorber to regenerate the second adsorber. The cooling stage may include expelling at initiation of cooling at least a part of a fluid present in the second adsorber to the dryer to desorb water from a molecular sieve in the dryer, and cooling the second adsorber by circulating the regeneration gas bypassing the heater. | 02-23-2012 |
Cedric R. Freeman, Houston, TX US
| Patent application number | Description | Published |
|---|---|---|
| 20120000827 | PROCESS FOR REMOVING ONE OR MORE SULFUR COMPOUNDS FROM A STREAM - One exemplary embodiment can be a process for removing one or more disulfide compounds from a caustic stream. The process can include passing the caustic stream, previously contacted with a hydrocarbon stream for removing one or more mercaptans, through a column to remove the one or more disulfide compounds downstream of a mercaptan oxidation zone. | 01-05-2012 |
Charles Freeman, Granbury, TX US
| Patent application number | Description | Published |
|---|---|---|
| 20090023835 | High Ion And Metabolite Flux Lenses And Materials - An exemplary embodiment provides a biocompatible polymer composition suitable for making intraocular lenses, especially posterior chamber phakic lenses, that includes a hydrogel having an equilibrium water content of less than about 55 wt. %. The hydrogel has a refractive index greater than about 1.41 and a sodium ion flux between about 16 to about 20 μeq-mm/hr/cm | 01-22-2009 |
| 20090043006 | High Refractive Index Ophthalmic Device Materials - High refractive index copolymers suitable for use in ophthalmic devices are disclosed. The copolymers comprise two or more aryl hydrophobic monomers and a non-polymerizable propylene oxide-ethylene oxide-propylene oxide block copolymer surfactant having a molecular weight of approximately 3600 and approximately 40% ethylene oxide units by weight. The copolymers have a reduced tendency to form glistenings when stored in water at physiological temperatures compared to similar copolymers lacking the non-polymerizable surfactant. | 02-12-2009 |
| 20090281209 | HIGH REFRACTIVE INDEX OPHTHALMIC DEVICE MATERIALS - High refractive index copolymers suitable for use in ophthalmic devices are disclosed. The copolymers comprise a single aryl hydrophobic monomer as a device forming monomer. In addition, the copolymers comprise a non-polymerizable block copolymer surfactant. The copolymers have a reduced tendency to form glistenings when stored in water at physiological temperatures. | 11-12-2009 |
| 20110313518 | HIGH REFRACTIVE INDEX, ACRYLIC OPHTHALMIC DEVICE MATERIALS WITH REDUCED GLISTENINGS - High refractive index copolymers with reduced glistenings are disclosed. The copolymers, which are particularly suitable for use as ophthalmic device materials, comprise a high molecular weight, reactive, linear polyethylene glycol component. | 12-22-2011 |
Clarence S. Freeman, Channelview, TX US
| Patent application number | Description | Published |
|---|---|---|
| 20090026149 | WATER-FILTERING MEDIA AND FILTERS - In at least some embodiments, a system for removing contaminants from fluids includes a fluid inlet and a fluid outlet. The system also includes a fluid pump between the fluid inlet and the fluid outlet and a filter material between the fluid inlet and the fluid outlet. The filter material comprises a dual-valence polymer with negative valence monomer groups and positive valence monomer groups, the negative valence being stronger than the positive valence. | 01-29-2009 |
Clay J. Freeman, Dallas, TX US
| Patent application number | Description | Published |
|---|---|---|
| 20100043342 | Non-destructive element splitting using location-based construction planning models - A system for location-based management of construction is provided. A plurality of location systems generate one or more locations where construction activities associated with one or more elements in each location can be performed. A construction activity location system associates each of a plurality of construction tasks with one of the locations. An element splitting system receives an element selection and associates one or more construction tasks of the element with two or more locations. A construction activity association system associates one or more of the plurality of construction tasks with one or more of the other construction tasks. A construction sequence system generates a sequence of construction tasks based on the layer associated with each construction task and based on the other construction tasks associated with each construction task. | 02-25-2010 |
Darrell G. Freeman, Breckenridge, TX US
| Patent application number | Description | Published |
|---|---|---|
| 20110179243 | Asymmetric Data Mirroring - An asymmetric data mirroring method with a local storage device and a remote storage device being separated by large distances is disclosed. A server determines a predetermined time period associated with a round trip latency between the server and a remote storage device. The server submits a request to a local storage device, a remote storage device and a memory device disposed between the server and the remote storage device. The server submits additional requests to the local and remote storage devices during the predetermined time period. The server stores a copy of each request submitted by the server to the remote storage device in a memory disposed between the server and the remote storage device while the server waits for whether an acknowledgement associated with the request has been received from the remote storage device during the predetermined time period. The server resubmits the request and the additional requests to the remote storage device if the acknowledgement is not received. If an acknowledgement is received, the server continues submission of additional new requests to the local and remote storage devices. | 07-21-2011 |
David Freeman, Mckinney, TX US
| Patent application number | Description | Published |
|---|---|---|
| 20120106211 | POWER FACTOR AND LINE DISTORTION METHOD AND APPARATUS - Today, power distribution systems can be used to supply power to many loads, and since many loads, such as servers, are reactive (i.e., have capacitors and/or inductors), line distortion and power factor can be an issue. Conventional techniques to correct for line distortion and power factor use a specialized circuit that is generally in series with the load, but these specialized circuits can be prohibitively expensive when used in large numbers. Here, however, a corrective power supply has been provided, which can correct for other parallel power supplies that can reduce cost. | 05-03-2012 |
David S. Freeman, Austin, TX US
| Patent application number | Description | Published |
|---|---|---|
| 20090099822 | System and Method for Implementing Environmentally-Sensitive Simulations on a Data Processing System - A system and method for implementing environmentally-sensitive simulations on a data processing system. According to an embodiment of the present invention, an ambient temperature associated with a player's location is provided to an environmental module. The environmental module provides the ambient temperature information to a simulation application. The simulation application modifies the behavior of a simulation executing on the data processing system according to the ambient temperature. The data processing system displays the simulation with the modified behavior to the player. | 04-16-2009 |
| 20090099823 | System and Method for Implementing Environmentally-Sensitive Simulations on a Data Processing System - A system and method for implementing environmentally-sensitive simulations on a data processing system. According to an embodiment of the present invention, a presentation manager provides a collection of presentation levels within a simulation, wherein each of the presentation levels is associated with a collection of ambient light levels. An environmental sensor detects an ambient light level associated with a user's location as the user is operating a system that displays the simulation. The presentation manager selects at least one presentation level among the collection of presentation levels based on the ambient light level associated with the user's location. The simulation application displays the selected at least one presentation level within the simulation to the user. | 04-16-2009 |
Donald Bryan Freeman, Humble, TX US
| Patent application number | Description | Published |
|---|---|---|
| 20110139432 | SYSTEM, METHOD AND ASSEMBLY FOR STEAM DISTRIBUTION ALONG A WELLBORE - Methods and apparatus for enhanced and improved viscous oil recovery are disclosed. A horizontal well is drilled through the viscous oil formation. A liner includes temperature actuated valves for delivering steam more uniformly along the heel and toe portions of the liner. The temperature actuated valves include an actuation mechanism that actuates from an open position to a closed position to control the flow of the steam therethrough. The actuation mechanism actuates to the closed position when it exceeds a predetermined temperature. Heat from the steam mobilizes and lowers the viscosity of the heavy crude wherein the crude is then produced to the surface via conventional lift arrangements. | 06-16-2011 |
Glen Freeman, Trophy Club, TX US
| Patent application number | Description | Published |
|---|---|---|
| 20090123045 | Lighting Compensated Dynamic Texture Mapping of 3-D Models - Methods, systems, and devices for generating textured 3D models are provided. The present disclosure describes methods, systems, and devices for combining multiple images onto a 3D model. In some instances, the textures of the images are applied to the 3D model dynamically so that the textured 3D model is viewable from different viewpoints in real time on a display. The present disclosure also describes methods, systems, and devices for selecting the images and, in particular, the portions of the selected images to map to defined portions of the 3D model. In addition, the present disclosure describes how to adjust the images themselves to remove the effects of directional lighting. Some aspects of the present disclosure are particularly useful in the context of a 3D modeling of dental preparations. In some instances, a 3D digitizer is used to produce 3D models of dental preparations that are rendered on a display in real time and are fully 3D dimensional, while accurately depicting the surface textures of the item(s) being digitized. | 05-14-2009 |
Glen R. Freeman, Trophy Club, TX US
| Patent application number | Description | Published |
|---|---|---|
| 20090081617 | Display interface target positioning tool - A target positioning tool for use during the scanning of a dental preparation enables an operator to ensure that the preparation is always properly positioned. In one embodiment, the tool comprises an outer circle and a pair of arcs that are positioned back-to-back. The arcs enable the operator to correctly align the scan to the preparation or with a preparation margin. Preferably, the size of the circle is constant and remains so as the view moves in and out on the display screen. | 03-26-2009 |
Gregory L. Freeman, San Antonio, TX US
| Patent application number | Description | Published |
|---|---|---|
| 20100298716 | METHODS AND COMPOSITIONS TO REDUCE SCATTERING OF LIGHT DURING THERAPEUTIC AND DIAGNOSTIC IMAGING PROCEDURES - Disclosed are improved methods and compositions for use in light-based in vivo imaging and treatment. The techniques described involve the use of low-scattering, oxygen-carrying blood substitutes in imaging and treatment methods, including OCT imaging. The invention has particular advantages in imaging within the cardiovascular system and highly vascularized or oxygen-dependent tissues. | 11-25-2010 |
James J. Freeman, Houston, TX US
| Patent application number | Description | Published |
|---|---|---|
| 20090251960 | HIGH TEMPERATURE MEMORY DEVICE - Disclosed herein are various nonvolatile integrated device embodiments suitable for use at high temperatures. In some embodiments, a high temperature nonvolatile integrated device comprises a sapphire or spinel substrate having multiple ferroelectric memory cells disposed upon it. In other embodiments, a high temperature nonvolatile integrated device comprises a silicon on insulator substrate or a large bandgap semiconductor substrate having multiple ferroelectric or magnetic memory cells disposed on it. In yet other embodiments, a high temperature nonvolatile integrated device comprises a sapphire, silicon on insulator, or a large bandgap substrate having programmable read only memory (PROM) cells or electrically erasable PROM (EEPROM) cells disposed on it. | 10-08-2009 |
| 20110146992 | Controllable Chemical Injection For Multiple Zone Completions - This disclosure relates to an apparatus and method for controlling the amount of an additive injected into production fluid in a plurality of production zones. The injection devices may be dynamically controlled such that a central or decentralized control system may instruct a plurality of additive injection assemblies to inject additive, wherein different additive and/or different amounts of additive may be injected in the production fluid in the plurality of production zones. The apparatus includes one or more controllers to send operating commands to downhole regulating elements that may control the amount of additive being injected directly or indirectly. | 06-23-2011 |
| 20120086460 | SYSTEM AND METHOD FOR OPERATING MONITORING ELEMENTS AND SINGLE USE ELEMENTS WITH A COMMON CABLE - A system includes a common line configured to conduct electrical power and one or more monitoring devices coupled to the common line and configured to operate when a positive voltage is provided on the common line. The system also includes a single use device coupled to the common line and an activation circuit coupled between the single use device and the common line, the activation circuit only allowing current to flow through the single use device when a negative voltage is provided on the common line. | 04-12-2012 |
James Joseph Freeman, Houston, TX US
| Patent application number | Description | Published |
|---|---|---|
| 20090294123 | MULTI-POINT INJECTION SYSTEM FOR OILFIELD OPERATIONS - A system monitors and controls the injection of additives into formation fluids recovered through a well may include a plurality of nozzles that receive the injection fluid from an umbilical disposed in a well. Each nozzle may have an associated flow control element that is configured to affect a flow of the injection fluid ejected through the associated nozzle. The umbilical may include one or more filters positioned in a first of two parallel conduits formed along the umbilical. An occlusion member restricts in a second of the two conduits. The occlusion member permits flow in the second conduit after a predetermined pressure differential exists in the second conduit. The system may include a plurality of pressure sensors disposed along the umbilical, and an injector unit that dispenses fluid into the umbilical. A controller operatively coupled to the injector unit operates the injector in response to measurements from the pressure sensors. | 12-03-2009 |
| 20110307191 | METHOD OF DETERMINING POSITION OF A VALVE - A method of determining the position of a valve includes, measuring pressure at a first location within a bore and measuring pressure at a second location within the bore wherein the first location and the second location are positioned on opposing longitudinal sides of the valve. The method further includes analyzing values from the measuring and attributing characteristics of the analyzing to specific valve positions. | 12-15-2011 |
Jessica Freeman, Pasadena, TX US
| Patent application number | Description | Published |
|---|---|---|
| 20120108842 | Methods for Producing a Vinyl Acetate Composition Having a Low Impurity Content - In one embodiment, the invention is to a method for producing a vinyl acetate composition. The method comprises the step of contacting acetic acid, oxygen, and ethylene under conditions effective to form a crude vinyl acetate composition comprising vinyl acetate, acetic acid, residual oxygen, and water. The method further comprises the step of contacting the crude vinyl acetate composition or a derivative thereof with at least one scavenger to form a treated crude vinyl acetate composition. | 05-03-2012 |
Jimmy Freeman, Beaumont, TX US
| Patent application number | Description | Published |
|---|---|---|
| 20110258763 | TOILET SEAT COVER - The present invention relates to a toilet seat cover for covering and sanitizing a toilet seat comprising: a top edge; a bottom edge; two side edges, where the side edges include two curved portions on each side; and two seat ridge edges above the curved portions, where seat cover includes an antibacterial agent or a disinfectant that allows a user to wipe the seat prior to use. The toilet seat cover according to the present invention may be used to cover a portion of the toilet seat, where the seat cover drapes over a portion of the toilet seat while the bottom end lies within the toilet bowl. The toilet seat cover may be made of a biodegradable material and suitable for flushing into a sewage system. | 10-27-2011 |
Joel Freeman, Spring Branch, TX US
| Patent application number | Description | Published |
|---|---|---|
| 20090164625 | METHODS AND APPARATUS FOR PERFORMING NON-INTRUSIVE NETWORK LAYER PERFORMANCE MEASUREMENT IN COMMUNICATION NETWORKS - Methods and apparatus for performing non-intrusive network layer performance measurement in communication networks are disclosed. An example method to measure network layer performance between existing network nodes disclosed herein comprises coupling a first intelligent network interface (INI) to an available access port of a first existing network node providing access to a network, wherein the first INI obtains power and input information only from the access port after being coupled thereto, and exchanging test messages between the first INI and a second INI coupled to a second existing network node during normal operation of the first and second existing network nodes to measure network layer performance, wherein the test messages originate in the first INI and are routed through the first and second existing network nodes using a first network layer address associated with the first INI and a second network layer address associated with the second INI. | 06-25-2009 |
| 20090164626 | METHODS AND APPARATUS FOR PERFORMING NON-INTRUSIVE NETWORK LAYER PERFORMANCE MEASUREMENT IN COMMUNICATION NETWORKS - Methods and apparatus for performing non-intrusive network layer performance measurement in communication networks are disclosed. An example method to measure network layer performance between existing network nodes disclosed herein comprises coupling a first intelligent network interface (INI) to an available access port of a first existing network node providing access to a network, wherein the first INI obtains power and input information only from the access port after being coupled thereto, and exchanging test messages between the first INI and a second INI coupled to a second existing network node during normal operation of the first and second existing network nodes to measure network layer performance, wherein the test messages originate in the first INI and are routed through the first and second existing network nodes using a first network layer address associated with the first INI and a second network layer address associated with the second INI. | 06-25-2009 |
John Justin Freeman, Brookshire, TX US
| Patent application number | Description | Published |
|---|---|---|
| 20110109308 | MAGNETIC RESONANCE BASED APPARATUS AND METHOD TO ANALYZE AND TO MEASURE THE BI-DIRECTIONAL FLOW REGIME IN A TRANSPORT OR A PRODUCTION CONDUIT OF COMPLEX FLUIDS, IN REAL TIME AND REAL FLOW-RATE - A method for determining individual component flow-rates in a multi-phase fluid flowing in a pipe comprises the steps of: a) flowing the fluid through a magnetic resonance based apparatus comprising a magnetic resonance module and at least one pre-polarization module through which the fluid phases flow before entering the magnetic resonance module, wherein said pre-polarization module comprises a plurality of cylindrical segments that can be selectively combined so as to modify the effective length of the pre-polarization module, b) selectively using the prepolarization module to polarize a component in a volume of the fluid, c) applying a selective excitation to said fluid volume, d) using a signal resulting from said excitation to obtain a velocity measurement for said component, and e) repeating steps b)-d) until velocity measurements for a desired number of components have been obtained. | 05-12-2011 |
Jon J. Freeman, Channelview, TX US
| Patent application number | Description | Published |
|---|---|---|
| 20090026149 | WATER-FILTERING MEDIA AND FILTERS - In at least some embodiments, a system for removing contaminants from fluids includes a fluid inlet and a fluid outlet. The system also includes a fluid pump between the fluid inlet and the fluid outlet and a filter material between the fluid inlet and the fluid outlet. The filter material comprises a dual-valence polymer with negative valence monomer groups and positive valence monomer groups, the negative valence being stronger than the positive valence. | 01-29-2009 |
Lance Freeman, League City, TX US
| Patent application number | Description | Published |
|---|---|---|
| 20090099808 | Method for Monitoring Fouling in a Cooling Tower - Fouling in the fill portion of a cooling tower is monitored by transmitting radiation through a cooling tower, detecting the amount of radiation that has penetrated the cooling tower, and calculating the density of the fill portion of the cooling tower based on the detected radiation. A higher than expected density indicates the presence of fouling on the fill portion of the cooling tower. A rate of fouling may be established by monitoring the density of the fill portion of the cooling tower over time. | 04-16-2009 |
Mark C. Freeman, Channelview, TX US
| Patent application number | Description | Published |
|---|---|---|
| 20090026149 | WATER-FILTERING MEDIA AND FILTERS - In at least some embodiments, a system for removing contaminants from fluids includes a fluid inlet and a fluid outlet. The system also includes a fluid pump between the fluid inlet and the fluid outlet and a filter material between the fluid inlet and the fluid outlet. The filter material comprises a dual-valence polymer with negative valence monomer groups and positive valence monomer groups, the negative valence being stronger than the positive valence. | 01-29-2009 |
Marvin L. Freeman, Round Rock, TX US
| Patent application number | Description | Published |
|---|---|---|
| 20080298945 | METHODS AND APPARATUS FOR EXTENDING THE REACH OF A DUAL SCARA ROBOT LINKAGE - Methods and apparatus are provided for the use of a dual Selective Compliant Assembly Robot Arm (SCARA) robot. In some embodiments two SCARAs are provided, each including an elbow joint, wherein the two SCARAs are vertically stacked such that one SCARA is a first arm and the other SCARA is a second arm, and wherein the second arm is adapted to support a first substrate, and the first arm is adapted to extend to a full length when the second arm supports the first substrate, and wherein the first substrate supported by the second arm is coplanar with the elbow joint of the first arm, and the second arm is further adapted to move concurrently in parallel (and/or in a coordinated fashion) with the first arm a sufficient amount to avoid interference between the first substrate and the elbow joint of the first arm. Numerous other embodiments are provided. | 12-04-2008 |
| 20090062959 | METHOD AND APPARATUS FOR ROBOT CALIBRATIONS WITH A CALIBRATING DEVICE - Described herein is a method and apparatus for performing calibrations on robotic components. In one embodiment, a method for performing robotic calibrations includes moving the calibrating device across a target (e.g., a wafer chuck). Next, the method includes measuring distances between light spots from the sensors and a perimeter of the target using the sensors located on the calibrating device. Next, the method includes determining a displacement of the calibrating device relative to a center of the target. Then, the method includes determining a rotation angle of the calibrating device relative to a system of coordinates of the target. Next, the method includes calibrating a robot position of the robot based on the displacement and rotation angle of the calibrating device with respect to the target. | 03-05-2009 |
Michael A. Freeman, Kingwood, TX US
| Patent application number | Description | Published |
|---|---|---|
| 20080314586 | Well Logging Fluid for Ultrasonic Cement Bond Logging - A well logging fluid, and methods of using the same, include a base fluid selected from water, water-based mud, or oil-based mud, and an additive material selected from silica or cork or alike. The fluid has an impedance substantially different from that of the base fluid. Such a modified impedance helps improve the measurement accuracy. | 12-25-2008 |
| 20090321074 | MECHANICALLY MODIFIED FILTER CAKE - A down hole tool including a compression surface, a compression surface axis, and at least one support member configured to attach the compression surface to a well drilling tool assembly, wherein the extendable support member is extendable by an extension force provided to the support member. The down hole tool is rotable relative to an axis of the well drilling tool assembly, and as the well drilling tool assembly rotates, the at least one compression device exerts a lateral force along a sidewall of a wellbore. Also, a method of forming filter cake comprising releasing a drilling fluid and contacting the drilling fluid with a mechanical pressure on the sidewall of the wellbore and the drilling fluid. | 12-31-2009 |
| 20100140145 | SEPARATION OF TAR FROM SAND - A system for separating hydrocarbons from a solid source including a primary separation tank including a first hydrocarbon removing device to remove hydrocarbons from a slurry of water and solids. Further, the system including a transfer device between the primary separation tank and a secondary separation tank, wherein the transfer device is configured to transfer solids from the slurry to the secondary separation tank. Further still, the system including a second hydrocarbon removal device, a fine particle separation device to remove remaining solids in the secondary separation tank, and a product collection tank to receive hydrocarbons removed from the primary and secondary separation tanks. | 06-10-2010 |
| 20100199757 | APPARATUS AND METHOD FOR TESTING RESERVOIR DRILLING FLUIDS FOR DRILLING UNCONSOLIDATED TAR SANDS - An apparatus and method for testing fluids to be used when drilling in unconsolidated sand formations includes a container having a first port and a second port and a plurality of perforations through which fluid can be communicated, a bore holder slidingly retained through a portion of the container between the first port and the second port, wherein the bore holder has a feed end and a discharge end, a bed of unconsolidated sand contained in the container in a compacted state surrounding the bore holder, a fluid distribution nozzle at the discharge end of the bore holder, a fluid source in fluid communication with the discharge end of the bore holder, wherein the fluid source provides a test fluid to the fluid distribution nozzle through the bore holder, wherein the bore holder is withdrawn from the container at a predetermined speed as the test fluid is communicated through the fluid distribution nozzle, thereby leaving a simulated well bore in the unconsolidated sand. | 08-12-2010 |
| 20110192595 | METHOD AND APPARATUS FOR MEASURING PARTICLE SIZE DISTRIBUTION IN DRILLING FLUID - A method for measuring particle size distribution in a fluid material, involving inserting a laser beam instrument directly in the fluid flow line, wherein the laser beam instrument focuses a laser beam on a window directly coupled with the fluid flow line, wherein the fluid flow line comprises a fluid having a plurality of particles of different sizes, measuring a diameter of at least one particle in the fluid flow line by reflectance of the at least one particle as the at least one particle passes through the focused laser beam, and determining a duration of reflection of the at least one particle, and obtaining a count of particles in each of a pre-set range group of particle sizes, wherein the count of particles is used to determine particle size distribution in the fluid flow line. | 08-11-2011 |
| 20110253454 | MECHANICALLY MODIFIED FILTER CAKE - A down hole tool including a compression surface, a compression surface axis, and at least one support member configured to attach the compression surface to a well drilling tool assembly, wherein the extendable support member is extendable by an extension force provided to the support member. The down hole tool is rotable relative to an axis of the well drilling tool assembly, and as the well drilling tool assembly rotates, the at least one compression device exerts a lateral force along a sidewall of a wellbore. Also, a method of forming filter cake comprising releasing a drilling fluid and contacting the drilling fluid with a mechanical pressure on the sidewall of the wellbore and the drilling fluid. | 10-20-2011 |
Murray Frederic Freeman, Austin, TX US
| Patent application number | Description | Published |
|---|---|---|
| 20090296601 | JOIN KEY PROVISIONING OF WIRELESS DEVICES - Wireless devices are provisioned to join a wireless mesh network by writing an individual or common join key and network identification information to the wireless device, and creating an association of the wireless device with a gateway of the network by providing the gateway with a unique device identifier for the wireless device. The writing of the join key to the wireless device is achieved without revealing the join key to a user. | 12-03-2009 |
Scott Freeman, Allen, TX US
| Patent application number | Description | Published |
|---|---|---|
| 20090081115 | METHOD AND APPARATUS FOR ACTUATING A CHEMICAL REACTION - Various disclosures of an oxygen generator apparatus and methods of using such are disclosed. | 03-26-2009 |
| 20100252034 | METHOD AND SYSTEM FOR PORTABLE BREATHING DEVICES - The present invention provides for a breathing device comprising a housing, oxygen source, water trap, activation mechanism, and breathing apparatus. Operation of the activation mechanism may commence the production of a gas comprising oxygen. The generated oxygen may be bubbled through the water trap prior to being provided to the breathing apparatus attached to the user. Some embodiments may comprise two separate oxygen sources configured to provide distinct flow rates from one another. Other embodiments may comprise a rotating catalyst container configured to evenly and rapidly distribute catalyst upon commencement of the oxygen production. Still other embodiments may comprise a convoluted section of tubing to aid in altering the temperature of the produced oxygen gas. | 10-07-2010 |
Stephanie Freeman, Austin, TX US
| Patent application number | Description | Published |
|---|---|---|
| 20110171093 | ACIDIC GAS REMOVAL BY AQUEOUS AMINE SOLVENTS - Compositions and methods related to the removal of acidic gas. In one embodiment, compositions and methods are provided for the removal of acidic gas from a gas mixture using an aqueous amine solvent comprising water, a first amine, and a second amine, wherein the first amine contributes at least 50% by weight of the solvent's total amine concentration. | 07-14-2011 |