Patents by Inventor William T. O'Sullivan

William T. O'Sullivan 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).

  • Patent number: 4543891
    Abstract: Apparatus and process is disclosed for heat treating of material in a furnace comprising a fan driven by an electric motor, a load sensor which senses the motor load and a speed controller responsive to the load sensor signal for controlling the speed of the electric motor.
    Type: Grant
    Filed: April 12, 1984
    Date of Patent: October 1, 1985
    Assignee: Westinghouse Electric Corp.
    Inventors: William T. O'Sullivan, Earl C. Pace