Patents by Inventor Uwe Bolzhauser

Uwe Bolzhauser 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).

  • Filter device and filter system
    Patent number: 9480943
    Abstract: A filter device for the exchange of gas between the fuel tank for liquid fuel and an environment has a chamber sealed in a fluid-tight manner. A first port leads into the chamber for fluid connection to the fuel tank. A second port into leads the chamber for fluid connection to the environment. A granular filter material is in the chamber. The chamber is designed for optionally accommodating a monolithic filter element in addition to the granular filter material.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: November 1, 2016
    Assignee: DR. ING. H.C.F. PORSCHE AKTIENGESELLSCHAFT
    Inventors: Andreas Menke, Ulrich Essig, Uwe Bolzhauser
  • FILTER DEVICE AND FILTER SYSTEM
    Publication number: 20150165365
    Abstract: A filter device for the exchange of gas between the fuel tank for liquid fuel and an environment has a chamber sealed in a fluid-tight manner. A first port leads into the chamber for fluid connection to the fuel tank. A second port into leads the chamber for fluid connection to the environment. A granular filter material is in the chamber. The chamber is designed for optionally accommodating a monolithic filter element in addition to the granular filter material.
    Type: Application
    Filed: December 11, 2014
    Publication date: June 18, 2015
    Inventors: Andreas Menke, Ulrich Essig, Uwe Bolzhauser