Patents by Inventor Willi Rusing

Willi Rusing 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).

  • Chopping spades
    Patent number: 3993340
    Abstract: A collapsible chopping spade comprises a shaft with a tool joint at one end and a handle joint at the other end so that both the tool and the handle can be folded against the shaft. A unitary locking arrangement is provided for securing the handle in either its operative or its folded away position and for securing the tool in either of two operative positions or in its folded away position, the arrangement being such that the handle joint cannot be locked with simultaneously locking the tool joint.
    Type: Grant
    Filed: January 9, 1976
    Date of Patent: November 23, 1976
    Assignee: Idealspaten-und Schaufelwalzwerke A. Bredt & Co. KG
    Inventors: Willi Rusing, Rudolf Adamovsky