Patents by Inventor Walton Hughes

Walton Hughes 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).

  • Cut out device
    Patent number: 4540331
    Abstract: A cut out device located between the arm of a multi-axis robot and a supported work tool for disabling further movement of the arm of the robot when the work tool encounters an improperly positioned part and is constrained by such part from moving to its next programmed position.
    Type: Grant
    Filed: August 18, 1983
    Date of Patent: September 10, 1985
    Assignee: General Motors Corporation
    Inventors: Donald Stanner, Walton Hughes