Patents by Inventor Keith Martin Rogers

Keith Martin Rogers 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).

  • Gas turbine powerplant
    Patent number: 7500351
    Abstract: A gas turbine powerplant for a V/STOL aircraft in which a vectorable exhaust nozzle at a forward part (eg. nose) of the aircraft selectably receives a supply of cold fan air through a duct leading from the fan through a passageway (28) coaxial with the engine axis and located within the hub of the fan (12), with the aid of controllable flaps and diverters (26, 30).
    Type: Grant
    Filed: November 29, 1995
    Date of Patent: March 10, 2009
    Assignee: BAE Systems plc
    Inventors: Keith Martin Rogers, George Mansfield Appleyard