Patents by Inventor David Thomas Bowles

David Thomas Bowles 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 tank venting
    Patent number: 6131598
    Abstract: A fuel tank venting arrangement for a vehicle comprises a fuel tank (2) including at least two vent ports in its upper surface. Each vent port is provided with a rollover valve (4) and is in fluid flow communication with a back pressure control valve (12). The vent ports are connected together by a single manifold (16) which is secured to the tank (2) to form a fluid-tight seal.
    Type: Grant
    Filed: April 7, 1999
    Date of Patent: October 17, 2000
    Inventor: David Thomas Bowles