Patents by Inventor Dorothee Aschoff, legal representative

Dorothee Aschoff, legal representative 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).

  • Venting device for fuel tanks
    Patent number: 7152639
    Abstract: In a venting device for a fuel tank 1 of a motor vehicle having a filler neck and a venting valve, a circulation pipe is provided which, due to the suction jet effect when refueling circulates gas from the fuel tank back into the tank with the fuel so as to prevent an excessive inflow of fresh air, and which includes a venting pipe extending between venting valve 2 and a filter for discharging excess gases through a filter in order to prevent the escape of fuel vapors into the environment.
    Type: Grant
    Filed: February 22, 2005
    Date of Patent: December 26, 2006
    Assignee: DaimlerChrysler AG
    Inventors: Barbara Aschoff, legal representative, Dorothee Aschoff, legal representative, Henning Aschoff, legal representative, Wolfgang Ludwig Winfried Aschoff, deceased