Patents by Inventor George B. Spears

George B. Spears 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: 4096829
    Abstract: Liquid injection apparatus for use with an internal combustion engine having an ignition system comprises:A. a liquid pump and electrical drive therefor, the pump having an outlet communicable with the engine air intake,B. and control means including a pulse rate frequency to analog converter to control electrical current flow to the drive in response to and as a function of electrical pulses produced by said ignition system, whereby the flow of liquid to the engine air intake will be a function of the pulse output of the ignition system.
    Type: Grant
    Filed: April 29, 1976
    Date of Patent: June 27, 1978
    Inventor: George B. Spears