Patents by Inventor George R. Kelecava

George R. Kelecava 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).

  • Electrically conductive phthalocyanine complex-filled lubricants
    Patent number: 4950413
    Abstract: A lubricating composition of about 90 to about 99% by weight of a lubricant and about 1 to about 5% by weight of a polymeric organometallic phthalocyanine complex, including nitrogen-substituted analogues thereof, where the complexed metal ion is preferably a Group IVA metal and provides increased time of machine operation to failure by improving grease or oil lubricated bearing performance. The phthalocyanine is doped with an electrically conductive dopant to bleed internal charge build up from the internals of turbines and large drive motors.
    Type: Grant
    Filed: November 17, 1988
    Date of Patent: August 21, 1990
    Assignee: Westinghouse Electric Corp.
    Inventors: David J. Boes, deceased, Mary A. Alvin, George R. Kelecava
  • Phthalocyanine complex-filled greases
    Patent number: 4769163
    Abstract: Disclosed is a lubricating grease composition of about 90 to about 99% by weight of a lubricant and about 1 to about 5% by weight of polymeric organometallic phthalocyanine complex, including nitrogen-substituted analogues thereof, where the complexed metal ion is a Group IVA metal. The lubricating composition is used in ball and roller bearings, especially at high speeds and high temperatures.
    Type: Grant
    Filed: April 27, 1987
    Date of Patent: September 6, 1988
    Assignee: Westinghouse Electric Corp.
    Inventors: David J. Boes, George R. Kelecava, Mary A. Alvin