Patents by Inventor Maartin Wördehoff

Maartin Wördehoff 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).

  • ROUGHING-GRINDING DISC
    Publication number: 20110065369
    Abstract: A roughing-grinding disc consists of a plurality of part discs, which are flat in design, are located closely against one another, unconnected and uncovered, in an outer working region, are rigidly connected to one another in an inner connecting region located within the working region and are provided with a hub passing through the grinding disc in a centre opening.
    Type: Application
    Filed: November 3, 2008
    Publication date: March 17, 2011
    Applicant: AUGUST RÜGGEBERG GMBH & CO. KG
    Inventors: Frank Henn, Markus Bernhardt, Maartin Wördehoff