Patents by Inventor Andrea Kaufler

Andrea Kaufler 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).

  • COPPER-NICKEL-SILICON ALLOYS
    Publication number: 20090183803
    Abstract: A copper base alloy having an improved combination of yield strength and electrical conductivity consisting essentially of between about 1.0 and about 6.0 weight percent Ni, up to about 3.0 weight percent Co, between about 0.5 and about 2.0 weight percent Si, between about 0.01 and about 0.5 weight percent Mg, up to about 1.0 weight percent Cr, up to about 1.0 weight percent Sn, and up to about 1.0 weight percent Mn, the balance being copper and impurities, the alloy processed to have a yield strength of at least about 137 ksi, and an electrical conductivity of at least about 25% IACS.
    Type: Application
    Filed: December 17, 2008
    Publication date: July 23, 2009
    Inventors: Ralph A. Mutschler, Peter William Robinson, Derek E. Tyler, Andrea Kaufler, Hans-Achim Kuhn, Uwe Hofmann