Patents by Inventor Colin P. Massey

Colin P. Massey 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 control systems
    Patent number: 4947334
    Abstract: A helicopter control system comprises a flight control computer, an engine control computer and an integrated flight and engine control computer, the latter generating output signals operative both in a flight control system and an engine control system to eliminate or reduce transient variations in the speed of rotation of a main sustaining rotor. The invention can be used with full or limited authority flight control systems.
    Type: Grant
    Filed: March 27, 1989
    Date of Patent: August 7, 1990
    Assignee: Westland Helicopters Limited
    Inventors: Colin P. Massey, David R. Haddon