Patents by Inventor Peter B. Thomson

Peter B. Thomson 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).

  • Patent number: 6759375
    Abstract: A sump-lubricated internal combustion engine equipped with exhaust gas recycle, lubricated with (a) an oil of lubricating viscosity, (b) 0.05 to 1 percent by weight of an amide of an aliphatic carboxylic acid, and (c) at least one additional dispersant, detergent, or anti-wear agent, exhibits reduced temperature of the lubricant in the sump.
    Type: Grant
    Filed: May 23, 2002
    Date of Patent: July 6, 2004
    Assignee: The Lubrizol Corporation
    Inventors: Thomas T. Curtis, Ewa A. Bardasz, Daniel H. Heath, Peter B. Thomson
  • Publication number: 20030220209
    Abstract: A sump-lubricated internal combustion engine equipped with exhaust gas recycle, lubricated with (a) an oil of lubricating viscosity, (b) 0.05 to 1 percent by weight of an amide of an aliphatic carboxylic acid, and (c) at least one additional dispersant, detergent, or anti-wear agent, exhibits reduced temperature of the lubricant in the sump.
    Type: Application
    Filed: May 23, 2002
    Publication date: November 27, 2003
    Applicant: The Lubrizol Corporation
    Inventors: Thomas T. Curtis, Ewa A. Bardasz, Daniel H. Heath, Peter B. Thomson