Patents by Inventor Walter Birnbeck

Walter Birnbeck 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).

  • Patent number: 6177179
    Abstract: With an integral, board-like component, in particular for use as a kitchen working surface, comprising a visible side and a rear side, wherein the visible side comprises a layer consisting of a polymer matrix filled with a first, inorganic filler, its specific density being greater than the specific density of the polymer matrix, it is suggested for the production of the boards in a simple manner and with a good planarity that the filler content of the first filler in the visible side layer be 50 to 90% by volume, that the rear side comprise a layer which is formed from a polymer matrix filled with a second inorganic filler, wherein the proportion of the polymer matrix in this layer in % by volume differs quantitatively by 20% at the most from the volume content of the polymer matrix in the visible side layer and wherein the specific density of the second filler is ≦0.6 g/cm3.
    Type: Grant
    Filed: March 16, 1998
    Date of Patent: January 23, 2001
    Assignee: Schock & Co. GmbH
    Inventors: Friedrich Schock, Klaus Hock, Josef Geier, Rudolf Paternoster, Walter Birnbeck