Patents by Inventor Russell Clinton Harding

Russell Clinton Harding 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).

  • Movable thresholds and railway platform barrier doors
    Patent number: 5845579
    Abstract: Thresholds for bridging the gap between a platform and doorways of vehicles stopped at the platform. The thresholds are adapted to move from a retracted position to an extended position in response to the opening of barrier doors mounted alongside the platform.
    Type: Grant
    Filed: July 15, 1996
    Date of Patent: December 8, 1998
    Assignee: Westinghouse Brake and Signal Holdings Limited
    Inventors: Keith William Langley, Russell Clinton Harding, Derek Tate, Mark Andrew John Hemmings