Patents by Inventor Clark T. Okawa

Clark T. Okawa 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).

  • Method for applying aluminide coatings to superalloys
    Patent number: 5217757
    Abstract: A powder mixture for applying gas phase aluminide coatings to nickel or cobalt base superalloys is described. A preferred mixture consists essentially of Co.sub.2 Al.sub.5, NH.sub.4 F.HF, and chromium metal. The mixture is substantially free of aluminum oxide.
    Type: Grant
    Filed: November 3, 1986
    Date of Patent: June 8, 1993
    Assignee: United Technologies Corporation
    Inventors: Walter E. Olson, Michael S. Milaniak, Clark T. Okawa