Patents by Inventor Donald R. Sharp

Donald R. Sharp 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).

  • Truck air ducting apparatus
    Patent number: 5171057
    Abstract: A truck body includes a rear wall, with the rear wall arranged to receive a plurality of "L" shaped air duct members, each including a first and second intercommunicating pneumatic conduit to direct air from side walls of the truck body to the rear wall to enhance cleaning of the rear wall of the truck minimizing separation of vacuum at a trailing surface of the truck to increasing resistance of a truck resulting in decreased fuel economy.
    Type: Grant
    Filed: November 25, 1991
    Date of Patent: December 15, 1992
    Inventor: Donald R. Sharp