Patents by Inventor Bradley R. Williams
Bradley R. Williams has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10571614Abstract: A wire grid polarizer (WGP) can include a heat-dissipation layer. The heat-dissipation layer can enable the WGP to be able to endure high temperatures. The heat-dissipation layer can be located (a) over an array of wires and farther from a transparent substrate than the array of wires; or (b) between the array of wires and the transparent substrate. The heat-dissipation layer can be a continuous layer. The heat-dissipation layer can have a high electrical resistivity and a high coefficient of thermal conductivity.Type: GrantFiled: September 19, 2017Date of Patent: February 25, 2020Assignee: Moxek, Inc.Inventors: R. Stewart Nielson, Shaun Ogden, Mathew Free, Bradley R. Williams, Fred Lane, Ted Wangensteen, Matthew C. George
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Patent number: 10534120Abstract: A wire grid polarizer and method of making a wire grid polarizer can protect delicate wires of the wire grid polarizer from damage. The wire grid polarizer can include a protective-layer located on an array of wires. The array of wires can further be protected by a chemical coating on an inside surface of the air-filled channels, closed ends of the air-filled channels, damaged wires of the array of wires in a line parallel to an edge of the wire grid polarizer, or combinations thereof. The method can include (i) providing the wire grid polarizer, (ii) applying the protective-layer, by physical vapor deposition or chemical vapor deposition but excluding atomic layer deposition, onto the array of wires, (iii) cutting the wire grid polarizer wafer into multiple wire grid polarizer parts, then (iv) protecting the array of wires.Type: GrantFiled: June 23, 2017Date of Patent: January 14, 2020Assignee: Moxtek, Inc.Inventors: R. Stewart Nielson, Mathew Free, Bradley R. Williams, Matthew R. Linford, Anubhav Diwan, Fred Lane, Shaun Ogden
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Publication number: 20190391299Abstract: A wire grid polarizer (WGP) can be durable and have high performance. The WGP can comprise an array of wires 13 on a substrate 11. An overcoat layer 32 can be located at distal ends of the array of wires 13 and can span channels 15 between the wires 13. A conformal-coat layer 61 can coat sides 13s and distal ends 13d of the wires 13 between the wires 13 and the overcoat layer 32. The overcoat layer can comprise aluminum oxide. An antireflection layer 33 can be located over the overcoat layer 32.Type: ApplicationFiled: August 30, 2019Publication date: December 26, 2019Inventors: R. Stewart Nielson, Bradley R. Williams, Mathew Free, Ted Wangensteen
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Publication number: 20190317260Abstract: A method of making a polarizer can include applying a liquid with solid inorganic nanoparticles dispersed throughout a continuous phase, then forming this into a different phase including a solid, interconnecting network of the inorganic nanoparticles. This method can improve manufacturability and reducing manufacturing cost. This method can be used to provide an antireflective coating, to provide a protective coating on polarization structures, to provide thin films for optical properties, or to form the polarization structures themselves.Type: ApplicationFiled: March 27, 2019Publication date: October 17, 2019Inventors: Bradley R. Williams, R. Stewart Nielson, Anubhav Diwan, Eric Gardner, Shaun Patrick Ogden, Bob West
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Overcoat wire grid polarizer having conformal coat layer with oxidation barrier and moisture barrier
Patent number: 10444410Abstract: A wire grid polarizer (WGP) can be durable and have high performance. The WGP can comprise an array of wires 13 on a substrate 11. An overcoat layer 32 can be located at distal ends of the array of wires 13 and can span channels 15 between the wires 13. A conformal-coat layer 61 can coat sides 13s and distal ends 13d of the wires 13 between the wires 13 and the overcoat layer 32. The overcoat layer can comprise aluminum oxide. An antireflection layer 33 can be located over the overcoat layer 32.Type: GrantFiled: August 30, 2017Date of Patent: October 15, 2019Assignee: Moxtek, Inc.Inventors: R. Stewart Nielson, Bradley R. Williams, Mathew Free, Ted Wangensteen -
Publication number: 20190303810Abstract: The disclosed embodiments relate to a system that facilitates deployment of utility repair crews to nodes in a utility network. During operation, the system determines a node criticality for each node in the utility network based on a network-reliability analysis, which considers interconnections among the nodes in the utility network. The system also determines a node failure probability for each node in the utility network based on historical weather data, historical node failure data and weather forecast information for the upcoming weather event. The system uses the determined node criticalities and the determined node failure probabilities to determine a deployment plan for deploying repair crews to nodes in the utility network in preparation for the upcoming weather event. The system then presents the deployment plan to a person who uses the deployment plan to deploy repair crews to be available to service nodes in the utility network.Type: ApplicationFiled: March 28, 2018Publication date: October 3, 2019Applicant: Oracle International CorporationInventors: Kenny C. Gross, Andrew I. Vakhutinsky, DeJun Li, Bradley R. Williams, Sungpack Hong
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Patent number: 10175401Abstract: A WGP 10 can include an array of parallel, elongated rods 14 located over a surface of a transparent substrate 11 with gaps 15 between adjacent rods 14. Each of the rods 14 can include a reflective wire 13 sandwiched between ribs 12. One of the ribs 12 can be a transparent rib and one can be an absorptive rib. The WGP 10 can have high efficiency and high contrast for light entering on the transparent rib side and low Rs for light entering on the absorptive rib side.Type: GrantFiled: September 14, 2016Date of Patent: January 8, 2019Assignee: Moxtek, Inc.Inventors: R. Stewart Nielson, Bradley R. Williams
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Publication number: 20180052270Abstract: A wire grid polarizer (WGP) can include a heat-dissipation layer. The heat-dissipation layer can enable the WGP to be able to endure high temperatures. The heat-dissipation layer can be located (a) over an array of wires and farther from a transparent substrate than the array of wires; or (b) between the array of wires and the transparent substrate. The heat-dissipation layer can be a continuous layer. The heat-dissipation layer can have a high electrical resistivity and a high coefficient of thermal conductivity.Type: ApplicationFiled: September 19, 2017Publication date: February 22, 2018Inventors: R. Stewart Nielson, Shaun Ogden, Mathew Free, Bradley R. Williams, Fred Lane, Ted Wangensteen
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Publication number: 20180052257Abstract: A wire grid polarizer (WGP) can be durable and have high performance. The WGP can comprise an array of wires 13 on a substrate 11. An overcoat layer 32 can be located at distal ends of the array of wires 13 and can span channels 15 between the wires 13. A conformal-coat layer 61 can coat sides 13s and distal ends 13d of the wires 13 between the wires 13 and the overcoat layer 32. The overcoat layer can comprise aluminum oxide. An antireflection layer 33 can be located over the overcoat layer 32.Type: ApplicationFiled: August 30, 2017Publication date: February 22, 2018Inventors: R. Stewart Nielson, Bradley R. Williams, Mathew Free, Ted Wangensteen
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Patent number: 9869898Abstract: A selectively-absorptive wire grid polarizer comprising an array of parallel, elongated rods disposed over a surface of a transparent substrate with gaps between adjacent rods, each of the rods including a reflective wire sandwiched between two absorptive ribs. A method of making this wire grid polarizer. A use of this wire grid polarizer in an image projection system.Type: GrantFiled: March 14, 2017Date of Patent: January 16, 2018Assignee: Moxtek, Inc.Inventors: R. Stewart Nielson, Bradley R. Williams, Benjamin Downard, D. Brent Willamson
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Publication number: 20170293059Abstract: A wire grid polarizer and method of making a wire grid polarizer can protect delicate wires of the wire grid polarizer from damage. The wire grid polarizer can include a protective-layer located on an array of wires. The array of wires can further be protected by a chemical coating on an inside surface of the air-filled channels, closed ends of the air-filled channels, damaged wires of the array of wires in a line parallel to an edge of the wire grid polarizer, or combinations thereof. The method can include (i) providing the wire grid polarizer, (ii) applying the protective-layer, by physical vapor deposition or chemical vapor deposition but excluding atomic layer deposition, onto the array of wires, (iii) cutting the wire grid polarizer wafer into multiple wire grid polarizer parts, then (iv) protecting the array of wires.Type: ApplicationFiled: June 23, 2017Publication date: October 12, 2017Inventors: R. Stewart Nielson, Mathew Free, Bradley R. Williams, Matthew R. Linford, Anubhav Diwan, Fred Lane, Shaun Ogden
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Publication number: 20170184898Abstract: A selectively-absorptive wire grid polarizer comprising an array of parallel, elongated rods disposed over a surface of a transparent substrate with gaps between adjacent rods, each of the rods including a reflective wire sandwiched between two absorptive ribs. A method of making this wire grid polarizer. A use of this wire grid polarizer in an image projection system.Type: ApplicationFiled: March 14, 2017Publication date: June 29, 2017Inventors: R. Stewart Nielson, Bradley R. Williams, Benjamin Downard, D. Brent Willamson
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Patent number: 9684203Abstract: A selectively-absorptive wire grid polarizer comprising an array of parallel, elongated rods disposed over a surface of a transparent substrate with gaps between adjacent rods, each of the rods including a reflective wire sandwiched between two absorptive ribs. A method of making this wire grid polarizer. A use of this wire grid polarizer in an image projection system.Type: GrantFiled: June 5, 2015Date of Patent: June 20, 2017Assignee: Moxtek, Inc.Inventors: R. Stewart Nielson, Bradley R. Williams, Benjamin Downard, D. Brent Willamson
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Publication number: 20170139095Abstract: A WGP 10 can include an array of parallel, elongated rods 14 located over a surface of a transparent substrate 11 with gaps 15 between adjacent rods 14. Each of the rods 14 can include a reflective wire 13 sandwiched between ribs 12. One of the ribs 12 can be a transparent rib and one can be an absorptive rib. The WGP 10 can have high efficiency and high contrast for light entering on the transparent rib side and low Rs for light entering on the absorptive rib side.Type: ApplicationFiled: September 14, 2016Publication date: May 18, 2017Inventors: R. Stewart Nielson, Bradley R. Williams
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Publication number: 20160357064Abstract: A selectively-absorptive wire grid polarizer comprising an array of parallel, elongated rods disposed over a surface of a transparent substrate with gaps between adjacent rods, each of the rods including a reflective wire sandwiched between two absorptive ribs. A method of making this wire grid polarizer. A use of this wire grid polarizer in an image projection system.Type: ApplicationFiled: June 5, 2015Publication date: December 8, 2016Inventors: R. Stewart Nielson, Bradley R. Williams, Benjamin Downard, D. Brent Willamson
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System and method for a self-healing grid using demand side management techniques and energy storage
Patent number: 7389189Abstract: A self-healing power grid control system includes a power grid having a plurality of network islands with a plurality of linear and non-linear loads. A plurality of control sensors communicate with the power grid to monitor the electrical characteristics of the power grid. A plurality of controlled relays are in electrical communication with the plurality of non-linear loads. A battery energy storage system (ESS) is in electrical communication with a main power source and a network island. A first restoration controller is in electrical communication with the control sensors, the controlled relays, and with the battery ESS. The first restoration controller receives control signals from the control sensors, and in response to detecting an irregularity in the power grid, automatically actuates the battery ESS to stabilize power to the linear loads, and disconnects selected controlled relays to disconnect power to a calculated percentage of the non-linear loads.Type: GrantFiled: October 23, 2006Date of Patent: June 17, 2008Assignee: VRB Power Systems Inc.Inventors: Bradley R. Williams, Timothy David John Hennessy -
System and method for a self-healing grid using demand side management techniques and energy storage
Publication number: 20070219755Abstract: A self-healing power grid control system includes a power grid having a plurality of network islands with a plurality of linear and non-linear loads. A plurality of control sensors communicate with the power grid to monitor the electrical characteristics of the power grid. A plurality of controlled relays are in electrical communication with the plurality of non-linear loads. A battery energy storage system (ESS) is in electrical communication with a main power source and a network island. A first restoration controller is in electrical communication with the control sensors, the controlled relays, and with the battery ESS. The first restoration controller receives control signals from the control sensors, and in response to detecting an irregularity in the power grid, automatically actuates the battery ESS to stabilize power to the linear loads, and disconnects selected controlled relays to disconnect power to a calculated percentage of the non-linear loads.Type: ApplicationFiled: October 23, 2006Publication date: September 20, 2007Applicants: VRB Power Systems Inc., PacifiCorpInventors: Bradley R. Williams, Timothy David John Hennessy -
System and method for a self-healing grid using demand side management techniques and energy storage
Patent number: 7184903Abstract: A self-healing power grid control system includes a power grid having a plurality of network islands with a plurality of linear and non-linear loads. A plurality of control sensors communicate with the power grid to monitor the electrical characteristics of the power grid. A plurality of controlled relays are in electrical communication with the plurality of non-linear loads. A battery energy storage system (ESS) is in electrical communication with a main power source and a network island. A first restoration controller is in electrical communication with the control sensors, the controlled relays, and with the battery ESS. The first restoration controller receives control signals from the control sensors, and in response to detecting an irregularity in the power grid, automatically actuates the battery ESS to stabilize power to the linear loads, and disconnects selected controlled relays to disconnect power to a calculated percentage of the non-linear loads.Type: GrantFiled: March 16, 2006Date of Patent: February 27, 2007Assignee: VRB Power Systems Inc.Inventors: Bradley R. Williams, Timothy David John Hennessy -
Patent number: 5973899Abstract: A feeder restoration method starts in response to an overcurrent fault on a feeder (22) that causes a circuit breaker (42) to trip open, reclose once, trip again, and attempt to reclose again. During the time period between the first and second reclosings, any remote sectionalizing switches (46) on the faulty feeder are opened if they have also sensed the overcurrent fault, and a substation processor (50) evaluates the status of the faulty feeder and an alternate feeder (32, 34). After the second trip of the circuit breaker, the processor verifies whether the remote sectionalizing switch was closed and a remote tie switch (40) to the alternate feeder was open. If the circuit breaker locks open, the substation processor determines whether the remote sectionalizing switch did not sense the overcurrent condition (which indicates that the fault is between the circuit breaker and the sectionalizing switch) or simply failed to open.Type: GrantFiled: September 10, 1998Date of Patent: October 26, 1999Assignee: PacifiCorpInventors: Bradley R. Williams, C. Thomas Eyford, III, Dean H. Miller
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Patent number: 5422561Abstract: Controlling a customer voltage and VAR flow in a power transmission and distribution system includes measuring first voltages in a power line directed to a first location related to customers. Both the customer voltage and the VAR flow for the network is determined in relation to the number of capacitors associated with the first location which are switched in or out of the network. The measured voltages are communicated to a voltage control. Voltage deviations of the measured first voltage are determined relative to a predetermined voltage range intended to be present at the first locations. Switching the capacitor means into or out of the network is determined by the voltage control in accordance with a voltage rise table. A VAR flow controller is responsive to the voltage at the first locations, the effect of the VAR generation by the capacitors and the change of VAR generation by the capacitor. A decrease in voltage at the customers saves energy use.Type: GrantFiled: November 23, 1992Date of Patent: June 6, 1995Assignee: Southern California Edison CompanyInventors: Bradley R. Williams, Richard C. Krause, Bryan H. Pham, Dennis A. Eastman