Patents by Inventor Kurt Gutjahr

Kurt Gutjahr 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).

  • Suction head filter for a fuel tank
    Patent number: 5441637
    Abstract: A suction head for a fuel line of a fuel tank, especially for hand-held working tools such as motor chainsaws, has a cup-shaped housing made of plastic and comprising a mantle wall with cutouts and an end face with an opening. A filter mesh is covering the cutouts. A filter insert is inserted into the housing through the opening in the end face. A cap made of plastic and having a connector for the fuel line is sealingly connected to the end face with the opening.
    Type: Grant
    Filed: October 29, 1993
    Date of Patent: August 15, 1995
    Assignee: Andreas Stihl
    Inventors: Kurt Gutjahr, Hansjorg Bossler