Patents by Inventor Charles P. Harvey

Charles P. Harvey 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).

  • Automatic mist preventing system for vehicle transparencies
    Patent number: 4693172
    Abstract: An automatic demisting system primarily for aircraft windscreens in which a microprocessor is used to control heating to ensure that the internal surface of the windscreen is maintained above the dewpoint temperature of the adjacent air, but the windscreen is not wastefully heated when heating is unnecessary, for example when the windscreen is subject to kinetic heating.
    Type: Grant
    Filed: December 10, 1985
    Date of Patent: September 15, 1987
    Assignee: British Aerospace PLC
    Inventor: Charles P. Harvey