Patents by Inventor Gerard McCarthy

Gerard McCarthy 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).

  • Carburetor
    Patent number: 5411680
    Abstract: A diaphragm-type carburetor has a high speed adjusting needle and a low speed/idle adjusting needle which are independently supplied with fuel from the metering chamber. The path for fuel to the low speed/idle needle has a valve which is controlled by the angular position of the throttle shaft such that when the throttle shutter is closed the valve is open whereas when the throttle shutter is open the valve is closed.
    Type: Grant
    Filed: November 12, 1993
    Date of Patent: May 2, 1995
    Assignee: Tillotson, Ltd.
    Inventors: Gerard McCarthy, Roger Bowles