Patents by Inventor Rolf Baumgarten

Rolf Baumgarten 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: 4680829
    Abstract: A hollow sheet metal handle for fastening to a welding bolt weldably secured to utensils. The welding bolt has a triangular or polygonal cross section and a bore having an internal thread. A shaped part of sheet metal is welded to the utensil in the connecting part of the hollow handle, which shaped part forms a front-side contact surface for the welding bolt. At least two plates are provided on the shaped part, which plates laterally guide the aluminum bolt. A bore for receiving a fastening screw is arranged in the contact surface of the shaped part.
    Type: Grant
    Filed: December 6, 1985
    Date of Patent: July 21, 1987
    Assignee: Heinrich Baumgarten KG
    Inventor: Rolf Baumgarten
  • Patent number: D284444
    Type: Grant
    Filed: October 20, 1983
    Date of Patent: July 1, 1986
    Assignees: Heinrich Baumgarten KG Eisen, Blechwarenfabrik
    Inventor: Rolf Baumgarten
  • Patent number: D284539
    Type: Grant
    Filed: August 28, 1985
    Date of Patent: July 8, 1986
    Assignee: Heinrich Baumgarten KG Eisen und Blechwarenfabrik
    Inventor: Rolf Baumgarten
  • Patent number: D284540
    Type: Grant
    Filed: August 28, 1985
    Date of Patent: July 8, 1986
    Assignee: Heinrich Baumgarten KG Eisen und Blechwarenfabrik
    Inventor: Rolf Baumgarten