Patents by Inventor Michel E. Terrien

Michel E. Terrien 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: 4413369
    Abstract: The present invention relates to means for the lap joint connection of two bridge elements to each other on intrados or extrados, the lower bridge element being capable of becoming the upper element and vice versa. A first bridge element according to the invention has movable fingers (1, 2) which can retract into the structure of the bridge or protrude therefrom into a position in which they cooperated with boreholes (11, 12) in a second bridge element, in which holes they can be locked. This invention may be used for the construction of floating or nonfloating bridges of any length.
    Type: Grant
    Filed: August 10, 1981
    Date of Patent: November 8, 1983
    Assignee: Etat Francais
    Inventors: Michel E. Terrien, Claude Bouvet
  • Patent number: 4411037
    Abstract: The present invention relates to means for lap joint connection of two bridge elements to each other on extrados and intrados. Each bridge element comprises at least one flap (2) on the extrados and one flap (3) on the intrados, a means (6, 9, 10) for the combined displacement of the extrados and intrados flaps and means (16, 18) for locking the first of these flaps on the first bridge element and the second flap on the second element to be connected. This invention may be used to bridge gaps of all lengths.
    Type: Grant
    Filed: August 10, 1981
    Date of Patent: October 25, 1983
    Assignee: Etat Francais
    Inventors: Michel E. Terrien, Claude Bouvet
  • Patent number: 4393533
    Abstract: The present invention relates to means for connecting two fixed or floating bridge elements together. A first bridge element comprises at least two retractable studs (1, 2) oriented obliquely with respect to the surface of the element, one on the intrados and the other on the extrados, so as to cooperate with a recess (3', 4') either of the extrados or of the intrados of a second bridge element. This invention may be used to assemble all types of bridges.
    Type: Grant
    Filed: August 3, 1981
    Date of Patent: July 19, 1983
    Assignee: Etat Francais
    Inventors: Michel E. Terrien, Claude Bouvet