Patents by Inventor David P. Emmett

David P. Emmett 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).

  • Fuel consumption measuring system
    Patent number: 4552015
    Abstract: An internal combustion engine fuel consumption measurement system including an auxiliary fuel reservoir from which the engine fuel requirements are supplied and into which make-up fuel is provided to maintain a constant fuel volume and pressure. The make-up fuel quantity is measured as an indication of the fuel consumption of the internal combustion engine.
    Type: Grant
    Filed: February 9, 1984
    Date of Patent: November 12, 1985
    Assignee: General Motors Corporation
    Inventors: David P. Emmett, Duane D. Muelling, Ronald J. Willett