Patents by Inventor Hans-Joachim Neuhauser

Hans-Joachim Neuhauser 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).

  • Friction wear experiencing machine part having a coating on its sliding surface
    Patent number: 4185843
    Abstract: A machine part, such as a piston ring or sealing strip for an internal combustion engine, having one surface arranged to be in sliding contact with a cooperating part to thus be subjected to friction wear, the machine part being provided with a recess extending inwardly from the one surface and presenting at least one lateral wall, and the machine part comprising a layer of material different from the material of the machine part, which layer is disposed in the recess at the sliding surface, in which the layer is held in the recess in a manner such that no bond exists between the layer and the lateral wall.
    Type: Grant
    Filed: June 23, 1978
    Date of Patent: January 29, 1980
    Assignee: Goetze AG
    Inventors: Horst Beyer, Ulrich Buran, Hans-Joachim Neuhauser