Patents by Inventor Wilfred J. Williams

Wilfred J. Williams 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: 6152516
    Abstract: A retractable top cover for covering a roof of a recreational vehicle having opposed side walls and opposed end walls with the roof surmounting the walls. The retractable top cover comprises a flexible top cover stored on a spring-biased roller mounted in an elongated housing mounted on the vehicle roof adjacent to and extending along one of the side walls. A pair of lazy tongs extension mechanisms, one mounted at one end of the housing, extend and retract the flexible top cover. A drive motor is connected to the lazy tongs by a worm screw mechanism.
    Type: Grant
    Filed: December 30, 1998
    Date of Patent: November 28, 2000
    Inventor: Wilfred J. Williams
  • Patent number: 6123136
    Abstract: A retractable top cover and awning for recreational vehicles, modular homes, and the like, includes a mechanism for deploying and retracting a flexible top cover and awning panel over the roof of the vehicle and along a side wall of the vehicle to shade both the vehicle roof and any windows or doors in the side wall. A flexible top cover and awning panel is wound and stored on a roller housed in an elongated housing having a removable housing cover. Swinging deployment arms extend the flexible top cover and awning panel from the storage roller. Motors are used to open the housing cover, to turn the roller to assist in rolling or unrolling the flexible top cover and awning panel, and to swing the deployment arms during extension and retraction of the flexible top cover and awning panel.
    Type: Grant
    Filed: January 5, 1999
    Date of Patent: September 26, 2000
    Inventor: Wilfred J. Williams
  • Patent number: D250362
    Type: Grant
    Filed: November 3, 1976
    Date of Patent: November 21, 1978
    Inventor: Wilfred J. Williams