Patents by Inventor Michele A. Thornhill

Michele A. Thornhill 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: 7867955
    Abstract: A method of reducing the occurrence of ring-sticking in an internal combustion engine in which the crankcase of such an engine is lubricated with a multigrade crankcase lubricating oil composition containing 1 to 15 mass %, based on the mass of the oil composition, of a non-hydrogenated olefin polymer having a number average molecular weight in the range of 100 to 5,000.
    Type: Grant
    Filed: February 8, 2006
    Date of Patent: January 11, 2011
    Assignee: Infineum International Limited
    Inventors: Michael J. Conroy, Michele A. Thornhill
  • Lubricating oil composition
    Publication number: 20060172896
    Abstract: A method of reducing the occurrence of ring-sticking in an internal combustion engine in which the crankcase of such an engine is lubricated with a multigrade crankcase lubricating oil composition containing 1 to 15 mass %, based on the mass of the oil composition, of a non-hydrogenated olefin polymer having a number average molecular weight in the range of 100 to 5,000.
    Type: Application
    Filed: February 8, 2006
    Publication date: August 3, 2006
    Inventors: Michael Conroy, Michele Thornhill
  • Lubricating oil composition
    Publication number: 20060068999
    Abstract: A lubricating oil composition of TBN 8-9 having up to 0.3 wt. % sulfur, up to 0.08 wt. % phosphorus, and a sulfated ash content up to 0.80 wt. %, comprising an overbased magnesium-containing lubricating oil detergent, and 2.5 to 4 wt. % of a nitrogen-containing ashless dispersant.
    Type: Application
    Filed: September 14, 2005
    Publication date: March 30, 2006
    Inventors: Robert Shaw, Michele Thornhill
  • Lubricating oil composition
    Publication number: 20060058200
    Abstract: A low SAPS lubricating oil composition exhibiting having up to 0.3 wt. % sulfur, up to 0.08 wt. % phosphorus, and a sulfated ash content up to 0.80 wt. % comprising a nitrogen-containing ashless dispersant, a boron source, the wt. % N to wt. % B ratio being 3:1 to 5:1.
    Type: Application
    Filed: September 2, 2005
    Publication date: March 16, 2006
    Inventors: Robert Shaw, Michele Thornhill