Patents by Inventor Patrick D. Schuur

Patrick D. Schuur 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).

  • Patent number: 4171217
    Abstract: A nickel-base alloy that is corrosion resistant to hydrogen, sulfide and chloride stress cracking is provided consisting essentially of about 17 to 23% chromium, 8 to 10% molybdenum, 15 to 22% iron, limited contents of cobalt, silicon and manganese, 0.030% maximum carbon and the balance nickel and incidental impurities. The alloy is eminently suited for use as components in so-called "sour-gas" well operations.
    Type: Grant
    Filed: February 21, 1978
    Date of Patent: October 16, 1979
    Assignee: Cabot Corporation
    Inventors: Aziz I. Asphahani, F. Galen Hodge, Robert B. Leonard, Patrick D. Schuur