Patents by Inventor Heinrich Kramig

Heinrich Kramig 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).

  • Valve
    Patent number: 5904338
    Abstract: A valve, includes a housing formed with a valve seat and having an inlet port and an outlet port; and a shut-off member positioned in a passageway between the inlet port and outlet port and so adjustable as to enable a separation of the inlet port and the outlet port from one another when seated on the valve seat, wherein the valve seat exhibits a seat surface which is so inclined in circumferential direction that intersections of diametrically opposed tangents constructed on the seat surface of the valve seat define an area.
    Type: Grant
    Filed: March 18, 1998
    Date of Patent: May 18, 1999
    Assignee: ARI Armaturen Albert Richter GmbH & Co. KG
    Inventors: Roland Unruh, Rainer Kesselhut, Heinrich Kramig