Patents by Inventor Robert Blanchard Herchenroeder

Robert Blanchard Herchenroeder 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).

  • Thermally stable high-temperature nickel-base alloys
    Patent number: 4118223
    Abstract: A thermally stable, oxidation-resistant nickel-base alloy having good engineering properties for use in mechanical equipment operated at temperatures of up to 1600.degree. F. or higher is provided by maintaining the nickel content above 50% by weight and including as essential elements from about 12 to about 18% chromium, from about 8 to about 18% molybdenum and from about 0.005 to about 0.2% lanthanum by weight. Additional elements may be included in limited amounts provided that the average N.sub.v number of the alloy as defined herein is not substantially above about 2.5 and preferably is below about 2.4.
    Type: Grant
    Filed: February 25, 1977
    Date of Patent: October 3, 1978
    Assignee: Cabot Corporation
    Inventors: Dennis S. Acuncius, Robert Blanchard Herchenroeder, Russell W. Kirchner, William L. Silence