Patents by Inventor George W. Niepoth

George W. Niepoth 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).

  • Fuel fill tube with vapor vent and overfill protection
    Patent number: 4630749
    Abstract: A fuel fill tube for a vehicle fuel tank has a canister vapor vent, a shut-off valve and an overfill protection valve. The overfill valve prevents liquid from communicating with the carbon canister during overfill and communicates the liquid to the atmospheric open end of the fill tube.
    Type: Grant
    Filed: March 18, 1986
    Date of Patent: December 23, 1986
    Assignee: General Motors Corporation
    Inventors: Donald J. Armstrong, Roy A. Giacomazzi, George W. Niepoth