Patents by Inventor Andreas Bettgens

Andreas Bettgens 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).

  • Two-layer cavity floor covering
    Patent number: 4910935
    Abstract: A two-layer cavity floor construction comprising a base layer of profile element panels with a plurality of passage-forming spacer elements and a surface layer which combine to provide a minimal overall height with particularly good noise and footstep insulation. The base layer is formed from a noise-insulating material preferably based on polyurethane bound in a polyurethane foam.
    Type: Grant
    Filed: July 8, 1988
    Date of Patent: March 27, 1990
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Dieter Leukel, Andreas Bettgens, Horst Mueller, Horst Tamm