Patents by Inventor Frank Henn

Frank Henn 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).

  • Grinding disc and use of such a grinding disc
    Publication number: 20220088747
    Abstract: A grinding disc comprises a grinding layer formed of grinding grains bound by means of a binding agent. Reinforcing fabrics are embedded in the grinding layer on the outer sides of the grinding layer. At least one additional fabric is arranged on at least one of the reinforcing fabrics and has a respective diameter which is smaller than the diameter of the rein-forcing fabrics.
    Type: Application
    Filed: January 14, 2019
    Publication date: March 24, 2022
    Inventors: Stefan GEHRMANN, Frank Henn, Achim SCHMITZ, Fabian SCHUMACHER
  • 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