Patents by Inventor Peter Wittka

Peter Wittka 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).

  • Drive seal
    Publication number: 20040201175
    Abstract: A drive seal includes at least one metal ring having an annular running surface onto which is applied a thermally sprayed hard metal protective wear coating. The hard metal wear coating is coated by a sliding lacquer layer containing solid lubricants and which is softer compared to the hard metal wear layer.
    Type: Application
    Filed: January 9, 2004
    Publication date: October 14, 2004
    Inventors: Michael Buchmann, Hans-Henning Zutz, Peter Wittka