Patents by Inventor Heinz-Dieter Oehl

Heinz-Dieter Oehl 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).

  • Modular sound-deadening covering
    Patent number: 5876826
    Abstract: A covering for lining acoustically excited surfaces includes an upper cover layer and a flush fitting lining that adheres to the rear side of the cover layer. The lining has sound deadening properties and is made of a plurality of lining modules. A method of manufacturing such a covering for acoustically excited surfaces includes the steps of forming a cover layer and lining the modules and applying the modules to the cover layer.
    Type: Grant
    Filed: August 26, 1996
    Date of Patent: March 2, 1999
    Assignee: Stankiewicz GmbH
    Inventors: Manfred Hoffmann, Heinz-Dieter Oehl, Edmund Riggers