Patents by Inventor Earl G. Willette

Earl G. Willette 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).

  • Weep hole for hydraulic jack
    Patent number: 3975986
    Abstract: A laser formed hole is used as a "weep" hole in a hydraulic jack to limit the power stroke of the ram thereby permitting the use of a urethane packing on the ram instead of the usual leather packing.
    Type: Grant
    Filed: February 3, 1975
    Date of Patent: August 24, 1976
    Assignee: Tenneco Inc.
    Inventors: Benedict G. Barth, Earl G. Willette, John M. Barosko