Patents by Inventor Philipp Bittel

Philipp Bittel 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).

  • Non-return valve and hydraulic valve with a fitted non-return valve
    Patent number: 9046181
    Abstract: A non-return valve (8) having a sealing seat (2) having an opening (16) and also a resilient, flat closing element (10), which covers the opening (16) in a closed position. In view of simple assembly of the non-return valve (8), the closing element (10) and the sealing seat (12) are connected fixedly to one another and form a prefabricated structural unit (13).
    Type: Grant
    Filed: May 23, 2011
    Date of Patent: June 2, 2015
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Holger Patzold, Philipp Bittel, Barbara Pluta
  • NON-RETURN VALVE AND HYDRAULIC VALVE WITH A FITTED NON-RETURN VALVE
    Publication number: 20130118622
    Abstract: A non-return valve (8) having a sealing seat (2) having an opening (16) and also a resilient, flat closing element (10), which covers the opening (16) in a closed position. In view of simple assembly of the non-return valve (8), the closing element (10) and the sealing seat (12) are connected fixedly to one another and form a prefabricated structural unit (13).
    Type: Application
    Filed: March 23, 2011
    Publication date: May 16, 2013
    Applicant: SCHAEFFLER TECHNOLOGIES AG & CO. KG
    Inventors: Holger Patzold, Philipp Bittel, Barbara Pluta