Patents by Inventor David A. Stephenson
David A. Stephenson 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).
-
Patent number: 11947511Abstract: Indexing a data corpus to a set of multidimensional points, including: generating a set of points in a multidimensional space; identifying, for each sample in a plurality of samples in a data corpus, a nearest point in the set of points; and generating an index mapping each sample with the nearest point in the set of points.Type: GrantFiled: May 10, 2022Date of Patent: April 2, 2024Assignee: GHOST AUTONOMY INC.Inventors: Volkmar Uhlig, John Hayes, Akash J. Sagar, Faissal Sleiman, David Stephenson, Daniel J. Fillingham, Timothy Cerexhe
-
Publication number: 20240024531Abstract: Flexible polyurethane (PU) material which comprises a flexible hydrophilic polyurethane foam porous matrix comprising two matrix faces and therebetween a structural matrix framework defining a network of cells, having a cell network surface and therein a network of pores and a powder charge comprising one or more additives loaded in said structural matrix framework wherein said material is a foamed polymer of a system comprising an isocyanate prepolymer or monomer phase and an aqueous phase, wherein said system comprises one or more slurry phases or solid concentrates of said powder charge, or an insoluble portion thereof, as said isocyanate phase or part thereof and/or as said aqueous phase or part thereof and/or in a carrier liquid phase; and/or comprising a powder charge of silver salt loaded in said structural matrix framework in a population of silver salt particles defined by particle size distribution about a mean particle size of greater than or equal to 1 micron, said material comprising silver saType: ApplicationFiled: July 21, 2023Publication date: January 25, 2024Inventors: Anthony Dagger, Nicholas Fry, Helene Anne Lecomte, David Stephenson, Matthew Wray
-
Publication number: 20230414824Abstract: An antimicrobial material including a composite of a matrix component comprising a flexible hydrophilic polymer foam or fiber matrix comprising two matrix faces providing a release face and a reverse face or two release faces, and therebetween a structural matrix framework defining a network of cells having a cell network surface and therein a network of pores or cell openings, and a powder charge component comprising antimicrobial additive or wound care additive, wherein said powder charge is comprised at one said release face or both said faces and/or within said cell network.Type: ApplicationFiled: June 27, 2023Publication date: December 28, 2023Inventors: Amy Brewster, Robert Crump, Helene Anne Lecomte, David Stephenson, Matthew Wray
-
Publication number: 20230367755Abstract: Indexing a data corpus to a set of multidimensional points, including: generating a set of points in a multidimensional space; identifying, for each sample in a plurality of samples in a data corpus, a nearest point in the set of points; and generating an index mapping each sample with the nearest point in the set of points.Type: ApplicationFiled: May 10, 2022Publication date: November 16, 2023Inventors: VOLKMAR UHLIG, JOHN HAYES, AKASH J. SAGAR, FAISSAL SLEIMAN, DAVID STEPHENSON, DANIEL J. FILLINGHAM, TIMOTHY CEREXHE
-
Publication number: 20230305578Abstract: The invention herein is a method and system for controlling a fleet of autonomous vehicles (300) for ridesharing, wherein the method comprising the steps of: receiving a request (S1) from a first user or group of users for pick-up by an autonomous vehicle out of said fleet of vehicles (300), said user request further comprising a privacy setting, controlling the state of a privacy barrier device (310a, 310b) of a first autonomous vehicle (301) according to said privacy setting, and controlling said first autonomous vehicle (301) to pick up said first user or group of users.Type: ApplicationFiled: June 28, 2021Publication date: September 28, 2023Inventors: Karin Melin, Anna Haupt, Siri Hargelius, James Hildebrand, Felix Andlauer, Johan Ewerlöf, Ivan Machado, Johan Adriansson, Mattias Klein, Vikram Murthy, David Stephenson, Gustav Forsdahl
-
Patent number: 11730854Abstract: Flexible polyurethane (PU) material which comprises a flexible hydrophilic polyurethane foam porous matrix comprising two matrix faces and therebetween a structural matrix framework defining a network of cells, having a cell network surface and therein a network of pores and a powder charge comprising one or more additives loaded in said structural matrix framework wherein said material is a foamed polymer of a system comprising an isocyanate prepolymer or monomer phase and an aqueous phase, wherein said system comprises one or more slurry phases or solid concentrates of said powder charge, or an insoluble portion thereof, as said isocyanate phase or part thereof and/or as said aqueous phase or part thereof and/or in a carrier liquid phase; and/or comprising a powder charge of silver salt loaded in said structural matrix framework in a population of silver salt particles defined by particle size distribution about a mean particle size of greater than or equal to 1 micron, said material comprising silver saltType: GrantFiled: July 12, 2018Date of Patent: August 22, 2023Assignee: Smith & Nephew PLCInventors: Anthony Dagger, Nicholas Fry, Helene Anne Lecomte, David Stephenson, Matthew Wray
-
Patent number: 11730852Abstract: Disclosed herein are embodiments of a wound care material with a material which is a composite of a matrix component comprising a flexible hydrophilic polymer foam or fiber matrix comprising two matrix faces providing a release face and a reverse face or two release faces, and therebetween a structural matrix framework defining a network of cells having a cell network surface and therein a network of pores or cell openings, and a powder charge component comprising antimicrobial additive or wound care additive, wherein said powder charge is comprised at one said release face or both said faces and/or within said cell network.Type: GrantFiled: July 12, 2018Date of Patent: August 22, 2023Assignee: Smith & Nephew PLCInventors: Amy Brewster, Robert Crump, Helene Anne Lecomte, David Stephenson, Matthew Wray
-
Patent number: 11577330Abstract: A thread tap includes a shaft and teeth. The shaft includes helical passages from the threading end to the base end of the shaft. Each passage opens through an aperture in the threading end. A second tap includes a cap and the shaft includes an axially extending passage. The cap is coupled to the threading end and at least partially defines apertures in fluid communication with the passage and the exterior of the tap. A third tap includes teeth spaced apart by a plurality of linear flutes. The shaft includes a central passage and a plurality of flute passages. Each flute passage extends radially outward from a common location in the central passage to a corresponding one of the flutes. The central passage is closed to a terminal end of the threading end.Type: GrantFiled: August 17, 2020Date of Patent: February 14, 2023Assignee: Ford Motor CompanyInventors: Michael Habel, Ethan Hughey, Shibu Philipose, David Stephenson
-
Publication number: 20230027255Abstract: The present disclosure is directed toward a tooling assembly for a machine having an automatic tool changing system. The tooling assembly includes a holder, a tool body, and an internal passage defined within and extending through the holder and the tool body. The holder includes a machine interface configured to engage with a spindle of the machine. The internal passage is operable to have a coolant fluid flow within, and has a stem channel and a curved channel extending from the stem channel.Type: ApplicationFiled: October 3, 2022Publication date: January 26, 2023Applicant: Ford Motor CompanyInventors: David Stephenson, Timothy G. Beyer, Michael A. Kopmanis, David Ozog, William E. Dowling, JR.
-
Patent number: 11491594Abstract: The present disclosure is directed toward a tooling assembly for a machine having an automatic tool changing system. The tooling assembly includes a holder, a tool body, and an internal passage defined within and extending through the holder and the tool body. The holder includes a machine interface configured to engage with a spindle of the machine. The internal passage is operable to have a coolant fluid flow within, and has a stem channel and a curved channel extending from the stem channel.Type: GrantFiled: January 8, 2018Date of Patent: November 8, 2022Assignee: Ford Motor CompanyInventors: David Stephenson, Timothy G. Beyer, Michael A. Kopmanis, David Ozog, William E. Dowling, Jr.
-
Publication number: 20210085819Abstract: Antimicrobial material which is a composite of a matrix component comprising a flexible hydrophilic polymer foam or fiber matrix comprising two matrix faces providing a release face and a reverse face or two release faces, and therebetween a structural matrix framework defining a network of cells having a cell network surface and therein a network of pores or cell openings, and a powder charge component comprising antimicrobial additive or wound care additive, wherein said powder charge is comprised at one said release face or both said faces and/or within said cell network wherein said composite is an assembly of preformed matrix component and powder charge component; and asymmetric material which is asymmetric having regard to distribution of said powder charge therein; and material wherein said power charge comprises flowing agent and/or bulking agent and/or binder and wherein said additive and/or flowing agent is co-located with said bulking agent and/or said binder; devices comprising said composite, metType: ApplicationFiled: July 12, 2018Publication date: March 25, 2021Inventors: Amy Brewster, Robert Crump, Helene Anne Lecomte, David Stephenson, Matthew Wray
-
Patent number: 10907439Abstract: A flotation device for a wellbore tubular has a flotation disk having a tapered exterior profile. A maximum external diameter of the flotation disk is such to enable free longitudinal movement within the wellbore tubular. A plurality of locking segments each has a tapered interior profile cooperatively engageable with the tapered exterior profile. Each locking segment has gripping elements on an exterior surface thereof to engage an inner wall of the wellbore tubular. The tapered exterior profile and the tapered interior profile cooperate to expand a diameter of the locking segments as profile engagement increases.Type: GrantFiled: April 8, 2019Date of Patent: February 2, 2021Assignee: Deep Casing Tools, Ltd.Inventors: David Stephenson, Tomasz Jozef Walerianczyk
-
Publication number: 20200376577Abstract: A thread tap includes a shaft and teeth. The shaft includes helical passages from the threading end to the base end of the shaft. Each passage opens through an aperture in the threading end. A second tap includes a cap and the shaft includes an axially extending passage. The cap is coupled to the threading end and at least partially defines apertures in fluid communication with the passage and the exterior of the tap. A third tap includes teeth spaced apart by a plurality of linear flutes. The shaft includes a central passage and a plurality of flute passages. Each flute passage extends radially outward from a common location in the central passage to a corresponding one of the flutes. The central passage is closed to a terminal end of the threading end.Type: ApplicationFiled: August 17, 2020Publication date: December 3, 2020Applicant: Ford Motor CompanyInventors: Michael Habel, Ethan Hughey, Shibu Philipose, David Stephenson
-
Patent number: 10773323Abstract: A thread tap includes a shaft and teeth. The shaft includes helical passages from the threading end to the base end of the shaft. Each passage opens through an aperture in the threading end. A second tap includes a cap and the shaft includes an axially extending passage. The cap is coupled to the threading end and at least partially defines apertures in fluid communication with the passage and the exterior of the tap. A third tap includes teeth spaced apart by a plurality of linear flutes. The shaft includes a central passage and a plurality of flute passages. Each flute passage extends radially outward from a common location in the central passage to a corresponding one of the flutes. The central passage is closed to a terminal end of the threading end.Type: GrantFiled: August 21, 2018Date of Patent: September 15, 2020Assignee: Ford Motor CompanyInventors: Michael Habel, Ethan Hughey, Shibu Philipose, David Stephenson
-
Patent number: 10766080Abstract: A cutting tool and method of manufacturing a tool including determining desired flowrates to cutting edges. The method includes calculating pressure drop and passage dimensions for each of an nth-number of passages to the cutting edges based on In=(Pn*Ann)/(?n*Ln), wherein In is nth-passage flow rate, Pn is nth-passage pressure drop, Ann is nth-passage cross-sectional area raised to a power n, the power n being equal to 1 or 0.5, ?n is nth-passage resistivity, and Ln is nth-passage length. The method includes forming the nth-passages in the tool open to each cutting edge based on the nth-passage dimensions.Type: GrantFiled: May 7, 2018Date of Patent: September 8, 2020Assignee: Ford Motor CompanyInventors: Ethan Hughey, David Stephenson
-
Patent number: 10753823Abstract: The present disclosure relates to a system for measuring a dynamic response of a machine. The system includes a vibration mechanism, an accelerometer, a controller and a casing. The vibration mechanism is operable to generate an excitation signal, and the accelerometer is operable to measure dynamic energy in response to the excitation signal and output a dynamic response signal indicative of the dynamic energy. The controller includes a communication interface and operates the vibration mechanism to output the excitation signal and transmit a vibration input signal based on the excitation signal by way of the communication interface. The casing houses the vibration mechanism and the controller.Type: GrantFiled: October 10, 2017Date of Patent: August 25, 2020Assignee: Ford Motor CompanyInventors: Youssef Ziada, David Stephenson
-
Publication number: 20200188550Abstract: Flexible polyurethane (PU) material which comprises a flexible hydrophilic polyurethane foam porous matrix comprising two matrix faces and therebetween a structural matrix framework defining a network of cells, having a cell network surface and therein a network of pores and a powder charge comprising one or more additives loaded in said structural matrix framework wherein said material is a foamed polymer of a system comprising an isocyanate prepolymer or monomer phase and an aqueous phase, wherein said system comprises one or more slurry phases or solid concentrates of said powder charge, or an insoluble portion thereof, as said isocyanate phase or part thereof and/or as said aqueous phase or part thereof and/or in a carrier liquid phase; and/or comprising a powder charge of silver salt loaded in said structural matrix framework in a population of silver salt particles defined by particle size distribution about a mean particle size of greater than or equal to 1 micron, said material comprising silver saltType: ApplicationFiled: July 12, 2018Publication date: June 18, 2020Inventors: Anthony Dagger, Nicholas Fry, Helene Anne Lecomte, David Stephenson, Matthew Wray
-
Patent number: 10599231Abstract: A tilt command system for input peripherals is disclosed which allows for enhanced functionality for a peripheral device based on the peripheral's degree of tilt and direction of tilt.Type: GrantFiled: August 29, 2016Date of Patent: March 24, 2020Inventor: David A. Stephenson
-
Publication number: 20200061728Abstract: A thread tap includes a shaft and teeth. The shaft includes helical passages from the threading end to the base end of the shaft. Each passage opens through an aperture in the threading end. A second tap includes a cap and the shaft includes an axially extending passage. The cap is coupled to the threading end and at least partially defines apertures in fluid communication with the passage and the exterior of the tap. A third tap includes teeth spaced apart by a plurality of linear flutes. The shaft includes a central passage and a plurality of flute passages. Each flute passage extends radially outward from a common location in the central passage to a corresponding one of the flutes. The central passage is closed to a terminal end of the threading end.Type: ApplicationFiled: August 21, 2018Publication date: February 27, 2020Applicant: Ford Motor CompanyInventors: Michael Habel, Ethan Hughey, Shibu Philipose, David Stephenson
-
Patent number: 10560348Abstract: A network access device for facilitating the troubleshooting of network connectivity problems on a directly connected client device is provided. In one embodiment, the network access device can receive, from the client device, a request directed to a preconfigured web address associated with the network access device. In response to the request, the network access device can generate a web page comprising a ticket number for the client device and a link or form element for submitting a support request and can transmit the web page to the client device. The network access device can subsequently receive a submission of the support request from the client device. In response to the submission, the network access device can automatically collect diagnostic information pertaining to the client device. The network access device can then transmit the diagnostic information and the ticket number to one or more remote servers.Type: GrantFiled: June 13, 2017Date of Patent: February 11, 2020Assignee: ARRIS Enterprises LLCInventors: David Stephenson, Doron Givoni