Patents by Inventor Bruno G. Gatzka

Bruno G. Gatzka 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).

  • Building truss
    Patent number: 4890429
    Abstract: The invention relates to a building truss having an intermediate flexible section and two end stiff sections. The truss is formed of upper and lower chord(s) with the lower chord(s) of the intermediate section having a plurality of lengths of tube slidably received over a tensioning cable. By tensioning the cable the truss is bowed upwardly to form an arcuate truss.
    Type: Grant
    Filed: November 24, 1987
    Date of Patent: January 2, 1990
    Assignee: Starch Industries, Pty. Ltd.
    Inventors: Bruno G. Gatzka, Christopher J. Olsen