Patents by Inventor Gerd Rover

Gerd Rover 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: 4842015
    Abstract: A check valve assembly in which a valve spring is positioned with respect to the valve body in a manner such that the deformation line of such valve spring is one of offset and inclined in relation to the longitudinal axis of the valve body so that one side of such valve body is pressed against a guide provided for such valve body while the inlet valve is in an open position. The valve body of the check valve is prestressed against a valve seat by the valve spring.
    Type: Grant
    Filed: May 9, 1988
    Date of Patent: June 27, 1989
    Assignee: WABCO Westinghouse Fahrzeugbremsen GmbH
    Inventors: Wilhelm Haak, Peter Schiwik, Gerd Rover