Patents by Inventor Keith E. Maxwell

Keith E. Maxwell 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).

  • Exoskeleton boot and lower link
    Patent number: 10912346
    Abstract: An exoskeleton boot that can be selectively coupled to and decoupled from a lower link of an exoskeleton includes an upper configured to receive a foot of a human user and an outsole coupled to the upper. An exoskeleton connection interface is structurally coupled to the outsole and has a locked mode and an unlocked mode. In the locked mode, the exoskeleton connection interface is configured to inhibit decoupling from a boot connection interface of an exoskeleton link. In the unlocked mode, the exoskeleton connection interface is configured to facilitate decoupling from the boot connection interface.
    Type: Grant
    Filed: November 23, 2016
    Date of Patent: February 9, 2021
    Assignee: Lockheed Martin Corporation
    Inventors: Keith E. Maxwell, Patricia A. Aelker, Gavin A. Barnes, Robert O. Brady, Erik A. Holmen, Jeffreys R. Nichols
  • Locking intermediate link for a tool arm assembly
    Patent number: 9802307
    Abstract: An intermediate link for a tool arm assembly is provided. The intermediate link includes first and second connectors that are at least partially rotatable about respective first and second rotation axes. The intermediate link includes first and/or second lock rotation mechanisms that are configured to selectively prevent rotation of the first and second connectors.
    Type: Grant
    Filed: September 2, 2015
    Date of Patent: October 31, 2017
    Assignee: Lockheed Martin Corporation
    Inventors: Patricia A. Aelker, Gavin A. Barnes, Robert O. Brady, Erik A. Holmen, Steven D. MacFarlane, Keith E. Maxwell, Jeffreys R. Nichols
  • LOCKING INTERMEDIATE LINK FOR A TOOL ARM ASSEMBLY
    Publication number: 20170057077
    Abstract: An intermediate link for a tool arm assembly is provided. The intermediate link includes first and second connectors that are at least partially rotatable about respective first and second rotation axes. The intermediate link includes first and/or second lock rotation mechanisms that are configured to selectively prevent rotation of the first and second connectors.
    Type: Application
    Filed: September 2, 2015
    Publication date: March 2, 2017
    Inventors: Patricia A. Aelker, Gavin A. Barnes, Robert O. Brady, Erik A. Holmen, Steven D. MacFarlane, Keith E. Maxwell, Jeffreys R. Nichols