Patents by Inventor Gordon R. Farnsworth

Gordon R. Farnsworth 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).

  • Lubricating oil composition
    Patent number: 6300291
    Abstract: A lubricating oil composition exhibiting improved low temperature anti-wear performance and improved fuel economy and fuel economy retention properties, which comprises: (a) an oil of lubricating viscosity; (b) at least one calcium detergent; (c) at least one oil soluble molybdenum compound; (d) at least one nitrogen containing friction modifier; and (e) at least one zinc dihydrocarbyldithiophosphate compound, wherein the composition has a NOACK volatility of about 15.5 wt. % or less and contains from about 0.058 to 0.58 wt. % calcium from the calcium detergent, molybdenum in an amount up to about 350 ppm from a molybdenum compound, and phosphorus in an amount up to about 0.1 wt. % from a zinc dihydrocarbyldithiophosphate compound.
    Type: Grant
    Filed: May 19, 1999
    Date of Patent: October 9, 2001
    Assignee: Infineum USA L.P.
    Inventors: Rolfe J. Hartley, Malcolm Waddoups, Ian A. W. Bell, Thomas R. Bidwell, Gordon R. Farnsworth, Taisuke Miyoshi