Patents by Inventor Hubert Schostek

Hubert Schostek 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).

  • Screw with wear resistant surface
    Patent number: 4949836
    Abstract: A screw or other machine part subject to wear is provided with a wear-resistant layer comprising: 40-70% molybdenum, 0-10% chromium, 0.5-5% boron, 0-1% zirconium, 0-1% titanium, and the remainder being nickel, cobalt or mixtures of nickel and cobalt.
    Type: Grant
    Filed: June 3, 1988
    Date of Patent: August 21, 1990
    Assignee: Krauss-Maffei A.G.
    Inventor: Hubert Schostek