Patents by Inventor Ottmar Ziepel

Ottmar Ziepel 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).

  • Device for switching electromagnetic equipment
    Patent number: 6057614
    Abstract: A device (1) for switching electromagnetic equipment. It is especially intended for switching a direct-current brake for a three-phase motor (3) with a switching contact (6) with a rectifier (7) with integrated protective circuitry downstream of the switching contact. There is current transformer (5) upstream of the switching contact. The transformer's primary winding is part of a conductor in the line that provides a voltage.
    Type: Grant
    Filed: July 15, 1998
    Date of Patent: May 2, 2000
    Assignee: Flender-Himmelwerk GmbH
    Inventors: Klaus Mayer, Ottmar Ziepel, Bernd Strauss