Patents by Inventor G{umlaut over (u)}nter Wiedemann

G{umlaut over (u)}nter Wiedemann 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).

  • Process for producing non-slip floor covering
    Patent number: 6167879
    Abstract: Non-slip floor covering and method of producing a non-slip floor covering. The non-slip floor covering includes a plurality of depressions that are regularly or randomly distributed over a floor covering surface such that the depressions provide a suction effect. The method includes directing pulsed laser beams onto a surface of the floor covering, forming micro-craters having suction effect with the directed pulsed laser beams, and distributing the formed micro-craters over the surface of the floor covering.
    Type: Grant
    Filed: December 10, 1997
    Date of Patent: January 2, 2001
    Assignee: Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e.V.
    Inventors: Thomas Sievers, G{umlaut over (u)}nter Wiedemann, Udo St{umlaut over (u)}rmer