Patents by Inventor Gerd Roggenbuck

Gerd Roggenbuck 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).

  • Piston and method of producing the same
    Publication number: 20020096046
    Abstract: Methods are described, with which by expansion of metal foam it is possible in particular to manufacture pistons for brakes. This enables pistons of a very low wall thickness and high strength.
    Type: Application
    Filed: October 24, 2001
    Publication date: July 25, 2002
    Inventors: Christoph Drexler, Gerd Roggenbuck, Ulrich Seuser, Markus Weber, Karl-Heinz Wollenweber