Patents by Inventor Norbert Mittermeier

Norbert Mittermeier 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).

  • Rotary joint for alternating media
    Patent number: 6406065
    Abstract: The present invention relates to a rotary joint for alternating passage of a lubricating medium and a non-lubricating medium from a stationary (3) to a rotating machine part (1), having a first seal (7) in the form of two flat, substantially circular ring-shaped sliding sealing surfaces (4, 6) arranged so as to slide one on the other, which sealing surfaces (4, 6) are substantially concentric relative to the axis of rotation (10) of the rotating machine part (1) and may be moved at least far enough from one another, in the axial direction, that they do not come into contact with each other during rotation of the rotating machine part (1).
    Type: Grant
    Filed: July 7, 2000
    Date of Patent: June 18, 2002
    Assignee: GAT Gesellschaft fur Antriebstechnik mbH
    Inventors: Stephan Ott, Norbert Mittermeier