Patents by Inventor John C. Freche

John C. Freche 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: 4046560
    Abstract: A nickel base superalloy for use at temperatures of 2000.degree. F (1095.degree. C) to 2200.degree. F (1205.degree. C) as a stator vane material in advanced gas turbine engines. The alloy has a nominal composition in weight percent of 16 tungsten, 7 aluminum, 1 molybdenum, 2 columbium, 0.3 zirconium, 0.2 carbon and the balance nickel.
    Type: Grant
    Filed: December 30, 1975
    Date of Patent: September 6, 1977
    Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space Administration
    Inventors: John C. Freche, William J. Waters