Patents by Inventor Angela Keeney

Angela Keeney 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).

  • Lubrication
    Publication number: 20070197406
    Abstract: Intake valve deposits in a direct injection internal combustion engine are reduced by lubricating the engine with a lubricant that is substantially free of ashless organic friction modifiers and whose base oil has a Noack volatility of less than 12 mass %.
    Type: Application
    Filed: February 12, 2007
    Publication date: August 23, 2007
    Inventors: Christopher Locke, Angela Keeney
  • Lubricating oil compositions
    Publication number: 20060264342
    Abstract: The present invention relates to a method of lubricating a passenger car motor vehicle engine having a rotating tappet, comprising lubricating the engine with a lubricating oil composition having up to 0.09 wt % phosphorus, 0.4 wt % sulphur and 1.0 wt % sulphated ash, and being substantially free of friction-modifier.
    Type: Application
    Filed: July 10, 2006
    Publication date: November 23, 2006
    Inventors: Robert Shaw, Angela Keeney, Christopher Locke