Patents by Inventor Burkhardt Leitner

Burkhardt Leitner 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).

  • Supporting frame with assemblage nodes and braces
    Patent number: 6647669
    Abstract: The invention relates to a supporting frame with assemblage nodes and braces, which is characterized in that the joint between the assemblage nodes (3) and the end parts (27) of the braces (5) comprises a pin joint, that at least one of the elements (braces (5)) of the pin joint (11) which can be plugged into each other has at least one magnet (29), and that at least a partial area of the corresponding counter-part (pin (13)) is ferromagnetic.
    Type: Grant
    Filed: June 8, 1999
    Date of Patent: November 18, 2003
    Inventor: Burkhardt Leitner