Patents by Inventor Jan-Peter Obenbrugge

Jan-Peter Obenbrugge 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 valve construction
    Patent number: 6047945
    Abstract: The invention relates to an electromagnetic valve having a passage therethrough and a closure member which is reciprocable between first and second positions in whoch the passage is openend and closed. An electromagnectic controllable actuator effects movement of the closure member against a spring force from the first position into the second position. The valve includes a retainer which retains the closure member in the second position. The retainer is formed by a piezoelectric bending element which locks the closure member positively in the second position.
    Type: Grant
    Filed: November 24, 1997
    Date of Patent: April 11, 2000
    Assignee: Nass Magnet GmbH
    Inventors: Horst Grove, Jan-Peter Obenbrugge, Ralf Hiddessen, Franz Rieck