Patents by Inventor Hugo Sedlacek

Hugo Sedlacek 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).

  • Frame structure, especially for a portable bridge
    Patent number: 4075727
    Abstract: A frame structure, especially for a portable bridge, which comprises at least one pair of struts to be interconnected and equipped with coupling members having such a profile that the coupling members when positively engaging each other permit a pivoting in which the coupling members are able to convey forces in all directions between the two struts. A pivoting back of one strut relative to the other strut from the coupling position is prevented by additional coupling elements.
    Type: Grant
    Filed: September 8, 1976
    Date of Patent: February 28, 1978
    Assignee: Fried. Krupp Gesellschaft mit beschrankter Haftung
    Inventors: Hugo Sedlacek, Gerhard Sedlacek