Patents by Inventor Wayne S. Briggs

Wayne S. Briggs 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).

  • Single string retrievable well packers
    Patent number: 4151876
    Abstract: A single string well packer having a pair of unitary tubular gripping members is disclosed which can be set by wireline, hydraulic pressure, or mechanically or tubing string.
    Type: Grant
    Filed: October 25, 1977
    Date of Patent: May 1, 1979
    Assignee: Dresser Industries, Inc.
    Inventors: Wayne S. Briggs, Dennis M. Spriggs, Stanley A. Weise