Patents by Inventor Ram Ramamurthy

Ram Ramamurthy 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).

  • Enriched cobalt-tin swashplate coating alloy
    Patent number: 6543333
    Abstract: A swashplate type compressor having a swashplate coated with a tin-cobalt alloy is provided. The alloy comprises between about 12 and 28 weight % cobalt, with the balance substantially comprising tin. The swashplate may further include an intermediate layer of about 100 weight % tin underneath the tin-cobalt alloy layer. Methods of coating a swashplate with the coatings according to the present invention are also provided.
    Type: Grant
    Filed: June 1, 2001
    Date of Patent: April 8, 2003
    Assignee: Visteon Global Technologies, Inc.
    Inventors: William J. Griffin, Ram Ramamurthy, Carl Edward Cordy
  • Enriched cobalt-tin swashplate coating alloy
    Publication number: 20020178905
    Abstract: A swashplate type compressor having a swashplate coated with a tin-cobalt alloy is provided. The alloy comprises between about 12 and 28 weight % cobalt, with the balance substantially comprising tin. The swashplate may further include an intermediate layer of about 100 weight % tin underneath the tin-cobalt alloy layer. Methods of coating a swashplate with the coatings according to the present invention are also provided.
    Type: Application
    Filed: June 1, 2001
    Publication date: December 5, 2002
    Inventors: William J. Griffin, Ram Ramamurthy, Carl Edward Cordy