Patents by Inventor Samuel J. M. Denison

Samuel J. M. Denison 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).

  • Helicopter rotor
    Patent number: 4714409
    Abstract: A helicopter rotor includes a plurality of rotor blades attached to a rotor hub by flexure members adapted during operation to permit pitch changes and flap and lag movements of the rotor blades. Each flexure member comprises a plurality of longitudinally extending reinforcing plates which in cross section extend generally radially from a geometric center of the flexure member and are enclosed in a resilient matrix material.
    Type: Grant
    Filed: October 2, 1986
    Date of Patent: December 22, 1987
    Assignee: Westland plc
    Inventors: Samuel J. M. Denison, David P. Bashford