Patents by Inventor Paul W. Thorsell

Paul W. Thorsell 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).

  • Extreme pressure additives for lubricants
    Patent number: 4648985
    Abstract: Lubricant additives are provided which provide extreme pressure properties without the need for lead compositions. The extreme pressure additive system includes a dithio carbamate substituent, an organic copper substituent; and an phosphate substituent which are provided in a three component or two component system.
    Type: Grant
    Filed: July 7, 1986
    Date of Patent: March 10, 1987
    Assignee: The Whitmore Manufacturing Company
    Inventors: Paul W. Thorsell, Mark A. Mulvihill