Patents by Inventor Arthur C. Fry

Arthur C. Fry 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).

  • Transmitters
    Patent number: 4887781
    Abstract: A transmitter for use in an aircraft navigation system, the transmitter comprising a body portion (35) having an end (36, 37) adapted for implanting into the ground and an opposite end fitted with an antenna (38,39), and stabilizing means (41) arranged to be rendered operative on impact of the transmitter with the ground.
    Type: Grant
    Filed: October 25, 1985
    Date of Patent: December 19, 1989
    Assignee: British Aerospace Public Limited Company
    Inventors: Nigel Browning, Arthur C. Fry, Robert L. H. Malpass, Brian Matthews, Michael S. Peters
  • Aircraft navigation systems
    Patent number: 4875646
    Abstract: A navigation system for an aircraft fitted with an autopilot, the system comprising at least one ground-based transmitter (2), receiver means (7,8) mounted in the aircraft and including two antenna (5,6) oriented such that their polar diagrams overlap and are inclined with respect to the fore-and-aft axis of the aircraft.
    Type: Grant
    Filed: July 17, 1978
    Date of Patent: October 24, 1989
    Assignee: British Aerospace Public Limited Company
    Inventors: Nigel Browning, Arthur C. Fry, Robert L. H. Malpass, Brian Matthews, Michaels S. Peters