Patents by Inventor Gregory Lynn Barber

Gregory Lynn Barber 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).

  • Method for spin forming articles
    Patent number: 5937516
    Abstract: A method of spin forming, comprising the steps of: providing a tool having a first plurality of forming rollers spaced at a second plurality of distances from a spin axis; spinning around the spin axis at least one member of a set comprising (i) a work piece and (ii) the tool; and engaging the tool and a first end of the work piece. The method allows increased diameter reductions of a free end of a work piece in a single forming operation without collapse of the end of the work piece.
    Type: Grant
    Filed: December 13, 1996
    Date of Patent: August 17, 1999
    Assignee: General Motors Corporation
    Inventors: Egas Jose De Sousa, Gregory Lynn Barber, Donald Richard Tucker