Patents by Inventor Mathias Niebergall

Mathias Niebergall 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).

  • Electromagnetic directional control valve
    Patent number: 6152422
    Abstract: An electromagnetic directional control valve has a magnetic part including a coil body, a coil arrangement of the coil body, a magnetic pole mounted on the coil body, a flux guiding element, and an armature, and a hydraulic part provided with passages and at least one valve which controls a pressure medium flow to the passages, and an outwardly mounted fixing element which fixes the magnetic pole on the coil body.
    Type: Grant
    Filed: February 9, 1999
    Date of Patent: November 28, 2000
    Assignee: Robert Bosch GmbH
    Inventors: Horst Staib, Wolfgang Rudolph, Mathias Niebergall, Lothar Krauter, Klaus Schudt, Michael Weiss