Patents by Inventor Bernd Stange

Bernd Stange 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).

  • Check valve
    Patent number: 7581560
    Abstract: A check valve includes a housing with an inlet opening and an outlet opening along with a cage-like insert disposed therein as a support for a spring element and for guiding a closing body which can be moved against the spring element and which can be moved between a first end position, in which the spring body lies in contact with a seat to form a seal, and a second end position, in which the valve is completely open. The closing body, which is constructed cylindrically and pot-like, is guided with its cylindrical casing surface at the cage-like insert and in contact with the seat with a flat outer surface.
    Type: Grant
    Filed: June 6, 2005
    Date of Patent: September 1, 2009
    Assignees: Schaeffler KG, IFT GmbH
    Inventors: Reinhard Koch, Rainer Fuhrmann, Christian Degenhardt, Bernd Stange
  • Check valve
    Publication number: 20060021661
    Abstract: A check valve includes a housing with an inlet opening and an outlet opening along with a cage-like insert disposed therein as a support for a spring element and for guiding a closing body which can be moved against the spring element and which can be moved between a first end position, in which the spring body lies in contact with a seat to form a seal, and a second end position, in which the valve is completely open closing body which is constructed cylindrically and pot-like, is guided with its cylindrical casing surface at the cage-like insert and in contact with the seat with a flat outer surface.
    Type: Application
    Filed: June 6, 2005
    Publication date: February 2, 2006
    Inventors: Reinhard Koch, Rainer Fuhrmann, Christian Degenhardt, Bernd Stange