Patents by Inventor Keith C. Corkwell

Keith C. Corkwell 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).

  • Ethanol-diesel fuel composition and methods thereof
    Patent number: 7208022
    Abstract: A fuel composition for use in an internal combustion engine containing (a) a diesel fuel, (b) ethanol, (c) a surfactant, and optionally (d) a combustion improver, which provides lubricity to the engine and reduces exhaust emissions.
    Type: Grant
    Filed: March 13, 2003
    Date of Patent: April 24, 2007
    Assignee: The Lubrizol Corporation
    Inventors: Keith C. Corkwell, Daniel T. Daly, Mitchell M. Jackson
  • Gasoline additive concentrate composition and fuel composition and method thereof
    Patent number: 7195654
    Abstract: A gasoline additive concentrate composition comprises a solvent, an alkoxylated fatty amine, and a partial ester having at least one free hydroxyl group and formed by reacting at least one fatty carboxylic acid and at least one polyhydric alcohol. A fuel composition comprises gasoline and the gasoline additive concentrate composition. A method of operating a gasoline internal combustion engine comprises fueling the engine with the fuel composition and is effective in reducing fuel consumption.
    Type: Grant
    Filed: March 29, 2001
    Date of Patent: March 27, 2007
    Assignee: The Lubrizol Corporation
    Inventors: Mitchell M. Jackson, Keith C. Corkwell
  • Gasoline additive concentrate composition and fuel composition and method thereof
    Publication number: 20020174597
    Abstract: A gasoline additive concentrate composition comprises a solvent, an alkoxylated fatty amine, and a partial ester having at least one free hydroxyl group and formed by reacting at least one fatty carboxylic acid and at least one polyhydric alcohol. A fuel composition comprises gasoline and the gasoline additive concentrate composition. A method of operating a gasoline internal combustion engine comprises fueling the engine with the fuel composition and is effective in reducing fuel consumption.
    Type: Application
    Filed: March 29, 2001
    Publication date: November 28, 2002
    Applicant: The Lubrizol Corporation, a corporation of the State of Ohio
    Inventors: Mitchell M. Jackson, Keith C. Corkwell