Patents by Inventor J. Roy Hack, Jr.

J. Roy Hack, Jr. 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: 4878474
    Abstract: Vent or bleed apparatus for venting or bleeding air from a fuel injection system includes a manual valve and a solenoid controlled valve. The solenoid controlled valve is remotely operated from within the driver's compartment of a vehicle in which the apparatus is installed. The solenoid controlled valve vents or bleeds the air to a return line which extends from the fuel control system to the fuel tank of the vehicle. The bleed apparatus of the present invention replaces a manual bleed valve installed in fuel injection systems in many vehicles.
    Type: Grant
    Filed: November 18, 1988
    Date of Patent: November 7, 1989
    Inventor: J. Roy Hack, Jr.
  • Patent number: 4874013
    Abstract: Emergency fuel system apparatus includes two emergency fuel tanks, a relatively primary fuel tank or reservoir disposed adjacent to a vehicle in a fuel tank and a secondary fuel reservoir which holds a relatively small amount of fuel, disposed adjacent to a carburetor or to a fuel injection system. The secondary emergency fuel reservoir provides immediate fuel for an engine during the interval between the time when fuel starvation announces that the vehicle has run out of fuel and the time required for fuel to flow from the primary emergency fuel reservoir to the carburetor or fuel injection system.
    Type: Grant
    Filed: November 10, 1988
    Date of Patent: October 17, 1989
    Inventor: J. Roy Hack, Jr.
  • Patent number: 4367181
    Abstract: Emergency fuel chamber adjacent to a carburetor float chamber is filled from the float chamber and gasoline from the emergency chamber flows to the float chamber upon actuation of a valve.
    Type: Grant
    Filed: December 16, 1980
    Date of Patent: January 4, 1983
    Inventor: J. Roy Hack, Jr.