Patents by Inventor Dieter E. Pfisterer

Dieter E. Pfisterer 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: 5090756
    Abstract: A device for compacting and containing compactible material, includes a collapsible directing element having an entrance funnel section which converges into an exit section of smaller dimensions than said entrance funnel section, the funnel section including a hole therein; a clamp strap for clamping a netting material on the exit section; restraining straps for securing the clamp strap on the directing element, the restraining straps being connected between the directing element and the clamp strap; and an elongated cord for preventing movement of the directing element during a compacting operation, the elongated cord having a first end connected to the directing element at the hole and a second free end extending forwardly of the entrance funnel section and which can be engaged by a person for preventing movement of the directing element.
    Type: Grant
    Filed: May 18, 1990
    Date of Patent: February 25, 1992
    Assignee: Pfister Enterprises, Inc.
    Inventor: Dieter E. Pfisterer