Patents by Inventor Charles Lester Brown

Charles Lester Brown 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).

  • Engine intake air moisturizer
    Patent number: 4068625
    Abstract: This apparatus for moisturizing the intake air going into an engine carburetor has one or more venturi passageways, each defined by a water permeable, porous body surrounded by water. The intake air is drawn into the venturi passageway where it becomes moisturized or humidified before going into the carburetor.
    Type: Grant
    Filed: May 12, 1976
    Date of Patent: January 17, 1978
    Inventor: Charles Lester Brown