Patents by Inventor Robert Burrage

Robert Burrage 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).

  • Tilt-rotor aircraft
    Publication number: 20070158494
    Abstract: A tilt-rotor aircraft (1) comprising a pair of contra-rotating co-axial tiltable rotors (11) on the longitudinal centre line of the aircraft. The rotors (11) may be tiltable sequentially and independently. They may be moveable between a lift position and a flight position in front of or behind the fuselage (19).
    Type: Application
    Filed: December 23, 2004
    Publication date: July 12, 2007
    Inventor: Robert Burrage