Patents by Inventor Markus Porsch

Markus Porsch 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: 8607825
    Abstract: A non-return valve includes a valve housing having at least one inlet, at least one outlet, a first valve seat and a second valve seat; and an at least partially flexible sealing member forceable into a scaling engagement with the first valve seat in response to a first differential pressure and forceable into a sealing engagement with the second valve seat in response to a second differential pressure.
    Type: Grant
    Filed: January 24, 2011
    Date of Patent: December 17, 2013
    Assignee: Eagle Actuator Components GmbH & Co. KG
    Inventors: Torsten Gerlich, Volker Daume, Markus Porsch
  • Publication number: 20110203691
    Abstract: A non-return valve includes a valve housing having at least one inlet, at least one outlet, a first valve seat and a second valve seat; and an at least partially flexible sealing member forceable into a scaling engagement with the first valve seat in response to a first differential pressure and forceable into a sealing engagement with the second valve seat in response to a second differential pressure.
    Type: Application
    Filed: January 24, 2011
    Publication date: August 25, 2011
    Applicant: CARL FREUDENBERG KG
    Inventors: Torsten Gerlich, Volker Daume, Markus Porsch