Patents by Inventor William T. Overhulser

William T. Overhulser 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).

  • Towed - towing vehicle braking with automatic emergency braking
    Patent number: 5911483
    Abstract: A system that allows a driver of a towing vehicle to control self contained brakes of towed vehicle thorough application of towing vehicle brakes. When driver applies towing vehicle brakes and brake light switch is activated a solenoid in conjunction with compressor and air tank in towed vehicle releases air pressure to an air cylinder depressing towed vehicle's brake pedal. If the towed vehicle detaches from towing vehicle while traveling a second solenoid will be activated by a breakaway switch to bring the towed vehicle to a rapid stop.
    Type: Grant
    Filed: December 17, 1996
    Date of Patent: June 15, 1999
    Inventor: William T. Overhulser