Patents by Inventor Richard L. Courtney

Richard L. Courtney 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).

  • Diesel fuel and method for deposit control in compression ignition engines
    Patent number: 4778481
    Abstract: A diesel fuel composition and method for improving the operation and efficiency of a compression ignition or diesel engine is disclosed comprising operating the engine using a fuel comprising a major amount of hydrocarbon fuel boiling in the diesel range and from about 600 to about 10,000 ppm of an additive comprising a polyoxyalkylene amine or polyamine of from about 500 to about 2,500 molecular weight.
    Type: Grant
    Filed: February 26, 1987
    Date of Patent: October 18, 1988
    Assignee: Chevron Research Company
    Inventor: Richard L. Courtney
  • Diesel fuel and method for deposit control in compression ignition engines
    Patent number: 4568358
    Abstract: A diesel fuel composition and method for improving the operation and efficiency of a compression ignition or diesel engine is disclosed comprising operating the engine using a fuel comprising a major amount of hydrocarbon fuel boiling in the diesel range and from about 600 to about 10,000 ppm of an additive comprising a polyoxyalkylene amine or polyamine of from about 500 to about 2,500 molecular weight.
    Type: Grant
    Filed: July 30, 1984
    Date of Patent: February 4, 1986
    Assignee: Chevron Research Company
    Inventor: Richard L. Courtney