Patents by Inventor Kalyan C. Singamshetty

Kalyan C. Singamshetty 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 lubricating and/or reducing corrosion of drilling equipment
    Patent number: 8273689
    Abstract: Lubricants and drilling fluid systems comprising lubricants which form a coherent lubricating film on metal equipment, thereby prolonging equipment life even under a wide variety of conditions, including high temperature and/or high pressure conditions.
    Type: Grant
    Filed: March 3, 2004
    Date of Patent: September 25, 2012
    Assignee: Baker Hughes Incorporated
    Inventors: Michael J. Otto, James E. Norfleet, Dennis K. Clapper, Kalyan C. Singamshetty