Patents by Inventor Thangirala Subrahmanyam

Thangirala Subrahmanyam 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).

  • SiMo DUCTILE IRON CASTINGS IN GAS TURBINE APPLICATIONS
    Publication number: 20100322813
    Abstract: A cast article of a ductile iron wherein the ductile iron includes carbon from about 2.8 to 3.7 w/o, silicon from about 3.0 to 3.5 w/o, molybdenum from 0.8 to 1.5 w/o, magnesium from about 0.025 to 0.60 w/o, sulfur less than 0.01 w/o and nickel from about 0.0 to 1.3 w/o, the remaining content being iron is provided. The cast article is suitable for a gas turbine casing. A method of manufacturing a cast article is also provided.
    Type: Application
    Filed: June 23, 2009
    Publication date: December 23, 2010
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Gregory Keith Bouse, Joseph Jay Jackson, Jason Robert Parolini, Thangirala Subrahmanyam