Patents by Inventor Christopher J. Walton

Christopher J. Walton 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).

  • Case with inductive charging system to charge a portable device
    Patent number: 9961433
    Abstract: A case for a portable listening device includes a rechargeable battery and a first and a second charging system. The first charging system is configured to charge the portable listening device and the second charging system is configured to wirelessly charge a portable electronic device positioned outside of the case adjacent to an exterior charging surface.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: May 1, 2018
    Assignee: Apple Inc.
    Inventors: Arun D. Chawan, Lee M. Panecki, Rico L. Zörkendörfer, Kurt Stiehl, Christopher S. Graham, Christopher J. Walton
  • INDUCTIVELY CHARGEABLE EARBUD CASE
    Publication number: 20180064224
    Abstract: A case a portable listening device. The case includes a housing having an interior space to receive the portable listening device; a lid attached to the housing; a rechargeable battery and first and second wireless power receiving elements configured to receive electric charge from a wireless power transmitter during a charging event. The case further includes switching circuitry that is configured to disable one of the first or second wireless power receiving elements during a charging event when the disabled element is receiving power less efficiently than the other element.
    Type: Application
    Filed: September 6, 2017
    Publication date: March 8, 2018
    Inventors: Makiko K. Brzezinski, Christopher J. Walton, Christopher S. Graham, Daniel C. Wagman, Eric S. Jol
  • Case with inductive charging system to charge a portable device
    Patent number: 9883277
    Abstract: A case for a portable listening device includes a rechargeable battery and a first and a second charging system. The first charging system is configured to charge the portable listening device and the second charging system is configured to wirelessly charge a portable electronic device positioned outside of the case adjacent to an exterior charging surface.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: January 30, 2018
    Assignee: Apple Inc.
    Inventors: Arun D. Chawan, Lee M. Panecki, Rico L. Zörkendörfer, Kurt Stiehl, Christopher S. Graham, Christopher J. Walton
  • CASE WITH INDUCTIVE CHARGING SYSTEM TO CHARGE A PORTABLE DEVICE
    Publication number: 20170347182
    Abstract: A case for a portable listening device includes a rechargeable battery and a first and a second charging system.
    Type: Application
    Filed: August 17, 2017
    Publication date: November 30, 2017
    Inventors: Arun D. Chawan, Lee M. Panecki, Rico L. Zörkendörfer, Kurt Stiehl, Christopher S. Graham, Christopher J. Walton
  • Case with inductive charging system to charge a portable device
    Patent number: 9826301
    Abstract: A case for a portable listening device includes a rechargeable battery and a first and a second charging system. The first charging system is configured to charge the portable listening device and the second charging system is configured to wirelessly charge a portable electronic device positioned outside of the case adjacent to an exterior charging surface.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: November 21, 2017
    Assignee: Apple Inc.
    Inventors: Arun D. Chawan, Lee M. Panecki, Rico L. Zörkendörfer, Kurt Stiehl, Christopher S. Graham, Christopher J. Walton
  • Case with inductive charging system to charge a portable device
    Patent number: 9794673
    Abstract: A case for a portable listening device includes a rechargeable battery and a first and a second charging system. The first charging system is configured to charge the portable listening device and the second charging system is configured to wirelessly charge a portable electronic device positioned outside of the case adjacent to an exterior charging surface.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: October 17, 2017
    Assignee: Apple Inc.
    Inventors: Arun D. Chawan, Lee M. Panecki, Rico L. Zörkendörfer, Kurt Stiehl, Christopher S. Graham, Christopher J. Walton
  • CASE WITH INDUCTIVE CHARGING SYSTEM TO CHARGE A PORTABLE DEVICE
    Publication number: 20170093454
    Abstract: A case for a portable listening device includes a rechargeable battery and a first and a second charging system. The first charging system is configured to charge the portable listening device and the second charging system is configured to wirelessly charge a portable electronic device positioned outside of the case adjacent to an exterior charging surface.
    Type: Application
    Filed: September 22, 2016
    Publication date: March 30, 2017
    Inventors: Arun D. Chawan, Lee M. Panecki, Rico L. Zörkendörfer, Kurt Stiehl, Christopher S. Graham, Christopher J. Walton