Patents by Inventor Rene Thivans

Rene Thivans 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).

  • Bridge having chords connected to each other by means of pleated steel sheets
    Patent number: 4912794
    Abstract: A bridge designed to afford enhanced resistance to shearing forces has at least one top chord (1) of concrete and a bottom chord (2) of concrete or of metal connected to each other by means of structural elements designed to resist shearing forces. These structural elements include two pleated or corrugated continuous steel sheets (3, 4) placed on each side of a vertical mid-plane (P) of the bridge. The pleats or corrugations extend in a direction which is substantially perpendicular to the length of the bridge.
    Type: Grant
    Filed: March 7, 1988
    Date of Patent: April 3, 1990
    Assignee: Campenon Bernard BTP
    Inventor: Rene Thivans