Patents by Inventor James J. Keefer

James J. Keefer 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: 4044744
    Abstract: Fuel feed apparatus for internal combustion engine characterized by the coactive disposition of fixed injectors and valves, interposed between fuel tank, pump, and carburetor of the engine. The principal component of the invention comprises plural fixed injectors in the fuel feed line, having the effect of substantially fully atomizing the fuel under control of in-line valves, whereby to feed the carburetor with a prepared mist of fuel under constant pressure thereby creating a substantial economy in the operation of the engine and a great saving in fuel.
    Type: Grant
    Filed: July 9, 1976
    Date of Patent: August 30, 1977
    Inventor: James J. Keefer