Patents by Inventor Jay L. Dorrell

Jay L. Dorrell 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).

  • Air drag reducing tailgate apparatus
    Patent number: 5234249
    Abstract: An apparatus is disclosed for increasing the fuel economy of motor vehicles having a cargo carrying bed with a movable tailgate panel. The apparatus adjustably positions the tailgate panel between the upstanding closed position and the horizontal loading position automatically in response to the force of wind or air pressure acting on the tailgate panel to reduce the air drag resistance on the motor vehicle. The apparatus includes a suitable biasing means, such as a mechanical spring or a conventional door closure, to adjustably position the tailgate.
    Type: Grant
    Filed: November 18, 1992
    Date of Patent: August 10, 1993
    Inventor: Jay L. Dorrell