Patents by Inventor John W. Dabrio

John W. Dabrio 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 heating, air metering valve unit for engine air inlet system
    Patent number: 4204504
    Abstract: Heat is transferred from a stream of engine crankcase gas to a stream of engine fuel, proximate a location where air is metered to the crankcase gas stream, for flow to the engine fuel/air intake.
    Type: Grant
    Filed: May 15, 1978
    Date of Patent: May 27, 1980
    Inventor: John W. Dabrio