Patents by Inventor Gerhard Furch

Gerhard Furch 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).

  • Patent number: 4763385
    Abstract: A door closer is described in which transmission ratios which change in dependence on the closing angle can be realized by eccentric toothed elements. The toothed elements can have different profile offsets, moduli and flank angles along their respective pitch curves.
    Type: Grant
    Filed: April 24, 1987
    Date of Patent: August 16, 1988
    Assignee: GEZE GmbH
    Inventors: Gerhard Furch, Georg Scheck, Fritz Feucht, Ralf Storandt