Patents by Inventor Warren E. Hills

Warren E. Hills 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).

  • Winch driven ball joint hitch guidance system
    Patent number: 5938227
    Abstract: A winch driven cable guidance system for coupling trailers to tow vehicles. The system comprises of trailer having a trailer hitch coupler, a tow vehicle having a coupling ball joint, and a cable whereby one end of the cable is connected by means of a cable pulley guidance system and secured to a cable drum of a winch. The winch powers the cable drum to reel in the cable and the attached trailer to assist in connecting the trailer to the towing vehicle, thus effecting a universal joint between the trailer and towing vehicle.
    Type: Grant
    Filed: July 15, 1997
    Date of Patent: August 17, 1999
    Inventor: Warren E. Hills