Patents by Inventor Gary Stoltz

Gary Stoltz 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).

  • Uniforce hydraulic clamp
    Patent number: 6019357
    Abstract: A preferred clamping apparatus includes an hydraulic pull cylinder having a piston rod connected to the shaft of a wedge-shaped clamp operator received in a complementally shaped opening defined in a clamp block having a shiftable jaw. In operation, retraction of the piston rod pulls the operator toward the base of the block in order to shift the jaw to a clamping position to hold a workpiece. In preferred forms, the clamping apparatus is included as part of a fixture and operable to clamp a workpiece to the fixture.
    Type: Grant
    Filed: November 23, 1998
    Date of Patent: February 1, 2000
    Assignee: SPX Corporation
    Inventors: Harold Bartsch, Gary Stoltz