Patents by Inventor Martin Warken

Martin Warken 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).

  • Pressure sensor having a check valve
    Publication number: 20080127742
    Abstract: A pressure sensor or pressure switch for detecting an overpressure or underpressure, in particular on a pressure accumulator. The pressure sensor includes a housing, in which a first connecting piece is disposed. The housing includes a check valve and a second connecting piece for a pressure source.
    Type: Application
    Filed: December 4, 2006
    Publication date: June 5, 2008
    Inventors: Andre Mueller, Reinhold Herrmann, Christian Hauer, Holger Seeg, Robert Hill, Martin Warken, Markus Reinhard, Marc Koltermann