Patents by Inventor Edmund Riggers

Edmund Riggers 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
  • Filler body as molded part for sealing poorly accessible hollow spaces
    Patent number: 5529824
    Abstract: The invention relates to a filler body (1) for acoustic and thermal sealing of hollow spaces in vehicle bodywork, constituted as a molded part of resilient, porous material (4) of sufficient restoring resilience, enveloped in foil, which part is subjected to a vacuum prior to introduction into the hollow space (5). The molded part is self-supporting and has, in the direction of introduction, which is perpendicular to the plane of installation, a large bending stiffness by virtue of a flat, thin intermediate layer (3).
    Type: Grant
    Filed: September 6, 1994
    Date of Patent: June 25, 1996
    Assignee: Stankiewicz GmbH
    Inventors: Hans Walendy, Eberhard Puschmann, Edmund Riggers