Patents by Inventor Fritz Achelphol

Fritz Achelphol 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: 4974968
    Abstract: A tubular bag is made of synthetic thermoplastic material preferably provided with side gussets. The bag is closed at one end by a transverse seam weld and at the other end has an opening which is defined by edge portions of respective side walls of the bag which lie one on the other when the bag is collapsed. One side wall of the bag is provided with narrow lugs, which protrude from the opening-defining edge portion of one side wall and which are formed with holes for retaining pins on which the bag can be suspended.
    Type: Grant
    Filed: August 29, 1989
    Date of Patent: December 4, 1990
    Assignee: Windmoller & Holscher
    Inventors: Friedhelm Mandus, Fritz Achelphol