Patents by Inventor Rolf-Dietrich Waasner

Rolf-Dietrich Waasner 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).

  • Cut sheet metal lamination element comprised of two parts and having three legs
    Patent number: 4594295
    Abstract: A two-part cut sheet metal lamination element wherein one of the two sheet metal parts 1 comprises two outer legs 3 and a middle leg 4, the other sheet metal part 5 comprises a crosslink, the two outer legs of the first sheet metal part and the crosslink of the second sheet metal part are rigidly attached to each other, and the free end of the middle leg 4 interacts with the crosslink of the second sheet metal part by a short projection 10 which prevents movement of the free end of the middle leg with respect to the corresponding crosslink by an engagement produced when the two sheet metal parts are pressed together, said engagement and immobilization resulting from the punched or stamped configurations of the sheet metal parts.
    Type: Grant
    Filed: May 18, 1984
    Date of Patent: June 10, 1986
    Assignee: Bruno Waasner
    Inventors: Bruno Waasner, Rolf-Dietrich Waasner