Patents by Inventor Warren Lamont Duff

Warren Lamont Duff 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: 7735475
    Abstract: A fuel injection unit is designed for replacement of existing carburetors. The fuel injection unit can be sized similarly to the existing carburetor. The fuel injection unit can have concealed fuel injectors. End caps can be provided that overlie the fuel injectors and that contain fuel line connections. The end caps provide an appearance of carburetor fuel bowls while generally concealing the fuel injectors and the associated fluid connections.
    Type: Grant
    Filed: September 19, 2008
    Date of Patent: June 15, 2010
    Inventors: Kenneth William Farrell, Warren Lamont Duff
  • Publication number: 20090145406
    Abstract: A fuel injection unit is designed for replacement of existing carburetors. The fuel injection unit can be sized similarly to the existing carburetor. The fuel injection unit can have concealed fuel injectors. End caps can be provided that overlie the fuel injectors and that contain fuel line connections. The end caps provide an appearance of carburetor fuel bowls while generally concealing the fuel injectors and the associated fluid connections.
    Type: Application
    Filed: September 19, 2008
    Publication date: June 11, 2009
    Inventors: Kenneth William Farrell, Warren Lamont Duff