Patents by Inventor Stephen Langham

Stephen Langham 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).

  • Aircraft engine coupling
    Patent number: 3997042
    Abstract: A torque responsive coupling includes an intermediate coupling member with helical splines thereon selectively engageable with first and second axially spaced helically splined coupling discs connected respectively to an engine power shaft and to a gear reduction input shaft to a propeller.
    Type: Grant
    Filed: November 5, 1975
    Date of Patent: December 14, 1976
    Assignee: General Motors Corporation
    Inventor: Stephen Langham