Patents by Inventor Stefan Freiberg

Stefan Freiberg 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).

  • Patent number: 7963417
    Abstract: A tank filling region of a motor vehicle contains at least one tank filler neck, a tank cap for closing the same, and a device for receiving the tank cap in the state in which it is removed from the tank filler neck. The device has a recess formed on a region surrounding the tank filler neck. In this case, it is important that the tank cap has a retaining pin which protrudes from an end side of the latter and with which the tank cap can be plugged into the recess such that it can be fixed to the motor vehicle via the retaining pin, which is plugged into the recess, in its state in which it is removed from the tank filler neck.
    Type: Grant
    Filed: December 8, 2008
    Date of Patent: June 21, 2011
    Assignee: Dr. Ing. h.c. F. Porsche AG
    Inventor: Stefan Freiberg
  • Publication number: 20090145906
    Abstract: A tank filling region of a motor vehicle contains at least one tank filler neck, a tank cap for closing the same, and a device for receiving the tank cap in the state in which it is removed from the tank filler neck. The device has a recess formed on a region surrounding the tank filler neck. In this case, it is important that the tank cap has a retaining pin which protrudes from an end side of the latter and with which the tank cap can be plugged into the recess such that it can be fixed to the motor vehicle via the retaining pin, which is plugged into the recess, in its state in which it is removed from the tank filler neck.
    Type: Application
    Filed: December 8, 2008
    Publication date: June 11, 2009
    Applicant: DR. ING. H.C. F. PORSCHE AG
    Inventor: Stefan Freiberg