Patents by Inventor Christoph Sommer

Christoph Sommer 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).

  • Nickel base alloy
    Patent number: 6383312
    Abstract: A nickel base alloy comprising: (measured in % by weight): 11-16% Co; 12.2-15.5% Cr; 6.5-7.2% Al; 3.2-5.0% Re; 1.0-2.5% Si; 1.5-4.5% Ta; 0.2-2.0% Nb; 0.2-1.2% Hf; 0.2-1.2% Y; 0-1.5% Mg; 0-1.5% Zr; 0-0.5% La and La series elements; 0-0.15% C; 0-0.1% B; and a remainder including Ni and impurities. The alloy is particularly suited for coatings for gas turbine components such as gas turbine blades and vanes.
    Type: Grant
    Filed: July 24, 2000
    Date of Patent: May 7, 2002
    Assignee: Alstom Ltd
    Inventors: Maxim Konter, Peter David Holmes, Christoph Tonnes, Hans-Peter Bossmann, Christoph Sommer
  • Coating composition for high temperature protection
    Patent number: 6221181
    Abstract: The invention relates to a coating composition for superalloy structural parts, especially for gas turbine vanes and blades, which provides simultaneously excellent environmental resistance and highly improved thermomechanical behavior. The coating consists essentially of, by weight, 28-35% Co, 11-15% Cr, 10-13% Al, 0-1% Re, 1-2% Si, 0.2-1% Ta, 0.005-0.5% Y, 0-5% Ru, 0-1% Ca, 0-1% Mg, 0-0.5% La (or elements from the La series), 0-0.1% B, balance Ni and incidental impurities.
    Type: Grant
    Filed: September 1, 1999
    Date of Patent: April 24, 2001
    Assignee: ABB Research Ltd.
    Inventors: Hans-Peter Bossmann, Hans J. Schmutzler, Marianne Sommer, Christoph Sommer, Maxim Konter, Peter Holmes, Christoph Toennes