Patents by Inventor Bret A. Duncan

Bret A. Duncan 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: 6478288
    Abstract: A carburetor for supplying fuel to an engine includes a body defining a venturi and first and second fuel lines fuel lines which discharge fuel into the venturi from a fuel reservoir. The opening of the first fuel line into the venturi is near the wall to flow fuel into the air flow adjacent the body wall. The opening of the second fuel line into the venturi is away from the wall to flow fuel into the air flow through the interior portion of the venturi.
    Type: Grant
    Filed: May 24, 2001
    Date of Patent: November 12, 2002
    Inventor: Bret A. Duncan