Patents by Inventor Beverly Douglas

Beverly Douglas 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).

  • Vapor injection system for internal combustion engine
    Patent number: 3930470
    Abstract: A vapor injection system for an internal combustion engine including a mist chamber having a perforated section communicating with the inlet to the carburetor and a water tube and an air tube discharging jets of water and air, respectively, in convergent paths within the mist chamber to create an atomized water spray. The perforated section of the mist chamber assures the complete atomization of all water particles passing into the carburetor.
    Type: Grant
    Filed: January 30, 1974
    Date of Patent: January 6, 1976
    Inventor: Beverly Douglas