Patents by Inventor William F. Lietzau, III

William F. Lietzau, III 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).

  • Fill pocket housing fresh air filter assembly
    Patent number: 8316899
    Abstract: A fuel venting system for use with a fuel system of a vehicle. The system includes a fill pocket housing including an upper back wall having vent openings allowing fluid flow therethrough. A vent shield extends proximate to the vent openings on a back side of the upper back wall and extends outward away from the upper back wall as the back wall extends downward, with the vent shield also having side walls extending from the back wall to define a bottom opening. A diverter has side walls mounted to the upper back wall and a back wall extending between the side walls to surround the vent shield to form a gap between the diverter walls and the vent shield to receive a filter therein.
    Type: Grant
    Filed: June 15, 2010
    Date of Patent: November 27, 2012
    Assignee: GM Global Technology Operations LLC
    Inventors: Karen E. Lay, William F. Lietzau, III
  • Fill Pocket Housing Fresh Air Filter Assembly
    Publication number: 20110303690
    Abstract: A fuel venting system for use with a fuel system of a vehicle. The system includes a fill pocket housing including an upper back wall having vent openings allowing fluid flow therethrough. A vent shield extends proximate to the vent openings on a back side of the upper back wall and extends outward away from the upper back wall as the back wall extends downward, with the vent shield also having side walls extending from the back wall to define a bottom opening. A diverter has side walls mounted to the upper back wall and a back wall extending between the side walls to surround the vent shield to form a gap between the diverter walls and the vent shield to receive a filter therein.
    Type: Application
    Filed: June 15, 2010
    Publication date: December 15, 2011
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS, INC.
    Inventors: Karen E. Lay, William F. Lietzau, III