Patents by Inventor Thirmaleshwara A. Bhat

Thirmaleshwara A. Bhat 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).

  • Superalloy article repair method and alloy powder mixture
    Patent number: 4381944
    Abstract: A powder alloy mixture for use in a method of repairing high temperature superalloy articles includes a first, higher temperature alloy powder in the range of about 35-65 weight percent of the mixture. The first alloy powder is based on at least one element selected from Ni and Co and is characterized as having good strength and environmental resistance along with the substantial absence of melting point depressant elements selected from Si and B in amounts greater than about 1% Si and 0.5% B. The second alloy powder is of a lower melting temperature alloy of Ni--Cr--Si--B--Co and is characterized by the substantial absence of C.
    Type: Grant
    Filed: May 28, 1982
    Date of Patent: May 3, 1983
    Assignee: General Electric Company
    Inventors: Murray S. Smith, Jr., Mark S. Hilboldt, Thirmaleshwara A. Bhat