Patents by Inventor Hans K. Wallenwein

Hans K. Wallenwein 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: 4146131
    Abstract: A holder is provided for the tools of a food processing machine, the tools being of the kind which have stems that can be driven by a food processor motor, with cutting or other active elements radial to the stems. The holder includes a plurality of panels with spaces between the panels to accommodate the active elements of the tools, and with slots which extend inwardly from edges of the panels and along which the stems can slide to positions where the active elements do not protrude beyond the edges of the panels.
    Type: Grant
    Filed: February 15, 1978
    Date of Patent: March 27, 1979
    Assignee: Plasti-Fab Co. Ltd.
    Inventors: Paul R. Hoffman, Hans K. Wallenwein
  • Patent number: D252491
    Type: Grant
    Filed: December 5, 1977
    Date of Patent: July 31, 1979
    Assignee: Plasti-Fab Co. Ltd.
    Inventors: Paul R. Hoffman, Hans K. Wallenwein
  • Patent number: D252548
    Type: Grant
    Filed: December 5, 1977
    Date of Patent: August 7, 1979
    Assignee: Plasti-Fab Co. Ltd.
    Inventors: Paul R. Hoffman, Hans K. Wallenwein
  • Patent number: D255753
    Type: Grant
    Filed: February 15, 1978
    Date of Patent: July 8, 1980
    Assignee: Plasti-Fab. Co. Ltd.
    Inventors: Paul R. Hoffman, Hans K. Wallenwein
  • Patent number: D262852
    Type: Grant
    Filed: July 6, 1979
    Date of Patent: February 2, 1982
    Inventor: Hans K. Wallenwein
  • Patent number: D280586
    Type: Grant
    Filed: January 11, 1983
    Date of Patent: September 17, 1985
    Inventor: Hans K. Wallenwein