Patents by Inventor John D. Cottingham, III

John D. Cottingham, III 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).

  • Power supply unit for use with an aircraft electrical system
    Patent number: 7750496
    Abstract: A power supply unit that provides uninterrupted power to an aircraft power bus during switchovers of the aircraft bus from one power source to another. The power supply unit includes circuitry to distinguish between loss of bus power due to switchovers between power sources and loss of bus power due to shutdown of the aircraft. The power supply unit includes a low voltage lockout circuit to interrupt the supply of power when the aircraft bus voltage falls below a minimum value.
    Type: Grant
    Filed: March 21, 2008
    Date of Patent: July 6, 2010
    Assignee: Champion Aerospace LLC
    Inventors: John D. Cottingham, III, Scott A. Davis, James R. Berliner, Robert A. Lockmiller