Patents by Inventor Gunther Merkwitz

Gunther Merkwitz 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).

  • Supporting structure with strip grid profile bars for wall or ceiling coverings
    Patent number: 4004390
    Abstract: A light weight locking structure for a suspended ceiling construction of T-shaped strip grid profile bars supportively engaged by nodal plates having radiating arms in which the arms terminate in upwardly bent locking projections, and the profile bars are provided with slots in the cross-bar of the T for cooperatively receiving the locking projections of the associated arm. After engagement of the locking projections in the slots of the respective profile bar, the projections are bent over to rigidly lock the profile bars to the nodal plate.
    Type: Grant
    Filed: December 5, 1974
    Date of Patent: January 25, 1977
    Assignee: Odenwald Faserplattenwerk G.m.b.H.
    Inventor: Gunther Merkwitz