Patents by Inventor James L. Head

James L. Head 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: 9347019
    Abstract: A low sulphated ash lubricating oil composition comprises an ashless aromatic amine antioxidant and an overbased magnesium detergent which exhibits improved thermal oxidation stability.
    Type: Grant
    Filed: November 28, 2011
    Date of Patent: May 24, 2016
    Assignee: INFINEUM INTERNATIONAL LIMITED
    Inventors: Robert W. Shaw, James L. Head, Marco Corradi, Shamsedin Rostami
  • LUBRICATING OIL COMPOSITION
    Publication number: 20120135901
    Abstract: A low sulphated ash lubricating oil composition comprises an ashless aromatic amine antioxidant and an overbased magnesium detergent which exhibits improved thermal oxidation stability.
    Type: Application
    Filed: November 28, 2011
    Publication date: May 31, 2012
    Inventors: Robert W. Shaw, James L. Head, Marco Corradi, Shamsedin Rostami