Patents by Inventor David A. Walker

David A. Walker 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).

  • Publication number: 20190028414
    Abstract: An improved system and method for communication among clients using multiple messaging types are disclosed. In one example, a client includes at least one brew that interfaces with a module. The module encapsulates a transfer mechanism for sending and receiving messages using a particular message type. The client further includes at least one brewer or patron, but may include many brewers and/or patrons, each of which corresponds to at least one topic. An application using the client can send messages to other clients using a standardized interface provided by all brewers and may receive messages from other clients either from patrons using a standardized interface provided by all patrons or from the brew.
    Type: Application
    Filed: July 18, 2018
    Publication date: January 24, 2019
    Inventors: James David Walker, Matthew R. Dodge, James A. Holmes, Franky Martin
  • Publication number: 20190022380
    Abstract: A magnetic alignment system that can form part of a cochlear implant system. The magnetic alignment system prevents substantial movement of a magnet of an implanted component during an MRI procedure or allows for easy removal of the magnet to facilitate the MRI procedure.
    Type: Application
    Filed: July 26, 2018
    Publication date: January 24, 2019
    Inventors: Peter Gibson, Charles Roger Aaron Leigh, Frank Risi, David Walker
  • Patent number: 10179267
    Abstract: A game system is disclosed that can be played using gross motor skills. The game system is mountable on the player's torso and comprises a tethered ball that can be kicked by the player into a goal mounted on the neck of the base of the game system. The game system can include a fastener for detachably connecting different balls to the game system.
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: January 15, 2019
    Inventor: Wilmer David Walker, Jr.
  • Patent number: 10095549
    Abstract: Technology is described for providing an ownership transfer service in virtual computing service environment. Computing resources under the control of one or multiple customers are stored in an ownership transfer account. Workflows based on a pre-defined set of triggers for releasing the computing resources from the ownership transfer account are established. Exclusive control over the computing resources may be transferred from the single or multiple customers to at least one of the multiple customers or to a receiving customer according to a triggering event. The exclusive control over the computing resources from one or at least one of the multiple customers is terminated upon occurrence of one of the pre-defined set of triggers or temporary control is granted based on rules such as time periods.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: October 9, 2018
    Assignee: Amazon Technologies, Inc.
    Inventors: Sean Michael Needham, Attila Narin, David Walker
  • Patent number: 10058702
    Abstract: A magnetic alignment system that can form part of a cochlear implant system. The magnetic alignment system prevents substantial movement of a magnet of an implanted component during an MRI procedure or allows for easy removal of the magnet to facilitate the MRI procedure.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: August 28, 2018
    Assignee: Cochlear Limited
    Inventors: Peter Gibson, Charles Roger Aaron Leigh, Frank Risi, David Walker
  • Patent number: 10041091
    Abstract: Lipid particles containing a nucleic acid, devices and methods for making the lipid particles, and methods for using the lipid particles.
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: August 7, 2018
    Assignee: The University of British Columbia
    Inventors: Pieter R. Cullis, Nathan M. Belliveau, Carl Lars Genghis Hansen, Jens Huft, Robert James Taylor, Andre Wild, Stuart Malcolm, Ismail Hafez, Alex Leung, David Walker
  • Publication number: 20180203432
    Abstract: A polishing machine is described in which a surface treatment tool is moved across the surface of a workpiece in accordance with a predefined tool-path, in order to carry out the desired treatment process. The tool-path is non-periodic and preferably pseudo-random. Various techniques are described for generating data representing the tool-path to be followed. A technique is also described for determining optimum control parameters used to control the polishing machine for a given tool-path. The surface treatment may be a shaping technique in which material is removed from the surface, or a technique for adding material to the surface of the workpiece, or a technique for modifying the surface or a region under the surface of the workpiece.
    Type: Application
    Filed: March 14, 2018
    Publication date: July 19, 2018
    Applicant: Zeeko Limited
    Inventors: David Walker, Anthony Beaucamp, Christina Reynolds Dunn
  • Publication number: 20180174196
    Abstract: A method comprises providing an interface permitting a first user to control activation of a mobile information channel through which the first user can share access to content with a plurality of additional users, activating the mobile information channel responsive to input received from the first user via the interface, inserting content provided by the first user into the mobile information channel, receiving additional content relating to the mobile information channel from one or more of said additional users via one or more respective mobile devices associated with at least one wireless network, inserting at least a portion of the additional content into the mobile information channel, and integrating into the mobile information channel information associated with at least one wireless networking functionality of said at least one wireless network.
    Type: Application
    Filed: February 6, 2018
    Publication date: June 21, 2018
    Inventors: David Walker Harper, Jason James Sabella, William Henry Munch
  • Patent number: 9994947
    Abstract: A method for producing a Ti-6Al-4V article, includes providing a work piece of a Ti-6Al-4V alloy having a beta-transus temperature; subjecting the work piece to a beta solution heat treatment process in a furnace with a vacuum at a temperature above the beta transus; quenching the work piece in the furnace using high pressure inert gas following the subjecting of the work piece in the beta solution heat treatment process; and subjecting the work piece to an overage heat treatment process in the furnace with a vacuum to overage the work piece following the quenching of the work piece. The work piece can be a bolt blank that is further manufactured into a titanium bolt with pre-machined wave form threads and wave form rolling process utilized to manufacture threads into the bolt blank.
    Type: Grant
    Filed: May 13, 2015
    Date of Patent: June 12, 2018
    Assignee: SIKORSKY AIRCRAFT CORPORATION
    Inventors: Todd David Walker, Gregory William Lundeen
  • Publication number: 20180159211
    Abstract: An antenna structure includes a radiator element and an enclosure housing the radiator element therein. The enclosure includes a front face that is adjacent a surface of the radiator element and sidewall surfaces that house the radiator element therebetween. The front face of the enclosure has an internal surface that is bounded by the sidewall surfaces and an external surface that is opposite the internal surface. The surface of the radiator element is positioned closer to the external surface than the internal surface of the front face of the enclosure.
    Type: Application
    Filed: November 9, 2017
    Publication date: June 7, 2018
    Inventors: Claudio Biancotto, Craig Mitchelson, Shuwei Russell, David Walker
  • Patent number: 9952585
    Abstract: A polishing machine is described in which a surface treatment tool is moved across the surface of a workpiece in accordance with a predefined tool-path, in order to carry out the desired treatment process. The tool-path is non-periodic and preferably pseudo-random. Various techniques are described for generating data representing the tool-path to be followed. A technique is also described for determining optimum control parameters used to control the polishing machine for a given tool-path. The surface treatment may be a shaping technique in which material is removed from the surface, or a technique for adding material to the surface of the workpiece, or a technique for modifying the surface or a region under the surface of the workpiece.
    Type: Grant
    Filed: August 26, 2008
    Date of Patent: April 24, 2018
    Assignee: Zeeko Limited
    Inventors: David Walker, Anthony Beaucamp, Christina Dunn
  • Patent number: 9922348
    Abstract: A method comprises providing an interface permitting a first user to control activation of a mobile information channel through which the first user can share access to content with a plurality of additional users, activating the mobile information channel responsive to input received from the first user via the interface, inserting content provided by the first user into the mobile information channel, receiving additional content relating to the mobile information channel from one or more of said additional users via one or more respective mobile devices associated with at least one wireless network, inserting at least a portion of the additional content into the mobile information channel, and integrating into the mobile information channel information associated with at least one wireless networking functionality of said at least one wireless network.
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: March 20, 2018
    Assignee: Engagelogic Corporation
    Inventors: David Walker Harper, Jason James Sabella, William Henry Munch
  • Publication number: 20180044699
    Abstract: Lipid particles containing a nucleic acid, devices and methods for making the lipid particles, and methods for using the lipid particles.
    Type: Application
    Filed: August 25, 2017
    Publication date: February 15, 2018
    Applicant: The University of British Columbia
    Inventors: Pieter R. Cullis, Nathan M. Belliveau, Carl Lars Genghis Hansen, Jens Huft, Robert James Taylor, Andre Wild, Stuart Malcolm, Ismail Hafez, Alex Leung, David Walker
  • Patent number: 9867891
    Abstract: A delivery device is described for intermittently delivering materials such as liquids or gels over a sustained period of time to a surface in a controlled way. The surface mountable delivery device is capable of delivering, for example, an antimicrobial agent to protect surfaces from microbial contamination and/or to disinfect surfaces, e.g. door handles, push plates, hand rails, etc. as an aid in preventing and/or hindering the spread of infectious agents. In one arrangement the device utilises a foam based reservoir in combination with a nonwoven fabric wicking layer and an elastomeric liquid delivery contact layer having valve like pore and/or slits; the combination provides for control of material delivery and longevity for the device in use.
    Type: Grant
    Filed: May 11, 2013
    Date of Patent: January 16, 2018
    Assignee: SURFACESKINS LIMITED
    Inventors: Stephen John Russell, Simon Geoffrey John Scott Harden, Adam David Walker, Christopher Edward Fowler
  • Publication number: 20170300891
    Abstract: Systems, methods and devices which utilize near field communication-style technologies in conjunction with one or more of personal devices and communication networks in order to provide for improved customer interactions with a service establishment are provided. In one embodiment an application is configured to provide for various functionality upon the triggering of a near-field communication stimulus. For example, upon scanning a near field device, an application may launch that provides a user with pre-determined information. Such information may include information regarding the nearest locations of a service establishment and approximate wait times for transactions at the listed locations. In another embodiment, the pre-determined information may include information regarding promotions available to a customer such as special offers, coupons, advertisements, and the like.
    Type: Application
    Filed: June 28, 2017
    Publication date: October 19, 2017
    Inventors: Daniela Popescu, Mark Crowson, Elena Trubitsyna, Pak Kiu Tse, Nicholas Ware, David Walker
  • Publication number: 20170285931
    Abstract: A facility enabling a user to operate visual user interface controls with ink commands is described. The facility causes to be displayed a control operable with mouse input, and receives an ink command directed to the displayed control. In response, the facility operates the displayed control in accordance with the received ink command.
    Type: Application
    Filed: March 29, 2016
    Publication date: October 5, 2017
    Inventors: David Walker Duhon, Yibo Sun, Xiao Tu, Francis Zhou
  • Patent number: 9758795
    Abstract: Lipid particles containing a nucleic acid, devices and methods for making the lipid particles, and methods for using the lipid particles.
    Type: Grant
    Filed: May 4, 2012
    Date of Patent: September 12, 2017
    Assignee: The University of British Columbia
    Inventors: Pieter R. Cullis, Nathan M. Belliveau, Carl Lars Genghis Hansen, Jens Huft, James Taylor, Andre Wild, Stuart Malcolm, Ismail Hafez, Alex Leung, David Walker
  • Patent number: 9727872
    Abstract: Systems, methods and devices which utilize near field communication-style technologies in conjunction with one or more of personal devices and communication networks in order to provide for improved customer interactions with a service establishment are provided. In one embodiment an application is configured to provide for various functionality upon the triggering of a near-field communication stimulus. For example, upon scanning a near field device, an application may launch that provides a user with pre-determined information. Such information may include information regarding the nearest locations of a service establishment and approximate wait times for transactions at the listed locations. In another embodiment, the pre-determined information may include information regarding promotions available to a customer such as special offers, coupons, advertisements, and the like.
    Type: Grant
    Filed: October 4, 2012
    Date of Patent: August 8, 2017
    Assignee: Moneygram International, Inc.
    Inventors: Daniela Popescu, Mark Crowson, Elena Trubitsyna, Pak Kiu Tse, Nicholas Ware, David Walker
  • Publication number: 20170204857
    Abstract: A rotary piston compressor is disclosed, comprising a housing having an epitrochoidal shaped inner bore, peripheral inlet and exhaust ports located in the bore, and a rotary piston rotatably mounted within the housing. The central portion of each rotary piston flank is configured such that, at the closest point between the flank central portion and the housing between the exhaust port of the trailing compression cycle and the inlet port of the leading compression cycle, the radial spacing between the rotary piston flank and the housing is maintained such that, the volumes enclosed by the rotary piston on either side of the closest point in the respective trailing and leading compression cycles are substantially sealed from one another. The end portions of each rotary piston flank are configured such that radial spacing between the rotary piston flank and the housing exceeds to that between the central portion and the housing.
    Type: Application
    Filed: July 15, 2015
    Publication date: July 20, 2017
    Applicant: Epitrochoidal Compressors Ltd.
    Inventor: David Walker Garside
  • Publication number: 20170178195
    Abstract: A method comprises providing an interface permitting a first user to control activation of a mobile information channel through which the first user can share access to content with a plurality of additional users, activating the mobile information channel responsive to input received from the first user via the interface, inserting content provided by the first user into the mobile information channel, receiving additional content relating to the mobile information channel from one or more of said additional users via one or more respective mobile devices associated with at least one wireless network, inserting at least a portion of the additional content into the mobile information channel, and integrating into the mobile information channel information associated with at least one wireless networking functionality of said at least one wireless network.
    Type: Application
    Filed: March 2, 2017
    Publication date: June 22, 2017
    Inventors: David Walker Harper, Jason James Sabella, William Henry Munch