Patents by Inventor Michael Witwer

Michael Witwer 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).

  • Heavily thermally stressable component
    Patent number: 5580670
    Abstract: A heavily thermally stressable component comprising a graphite and a metal part, e.g., copper or a copper alloy, soldered together. Between the solder and the metal part there is an intermediate layer comprising chromium or an alloy containing a substantial proportion of chromium with copper and/or nickel additives. This special intermediate layer provides a good bond between the graphite and the metal which remains stable even under the heaviest cyclic thermal stresses.
    Type: Grant
    Filed: June 12, 1995
    Date of Patent: December 3, 1996
    Assignee: Schwarzkopf Technologies Corporation
    Inventors: Robert Grill, Nikolaus Reheis, Michael Witwer