Patents by Inventor Paul Cannac

Paul Cannac 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).

  • Method and device for stripping from the concrete to which it adheres the header of a wall section cast in the ground
    Patent number: 5056959
    Abstract: Apparatus for stripping a header from a cast concrete section to which it is adhered adjacent to a site for contiguous concrete section comprising a vertical track in direct association with the header; the track having an opening facing the site; and impact tool adapted to move slidingly within the track to predetermined locations therein; and the impact tool being further adapted to be displaced horizontally within the track to apply a separation force through the track to the header to disrupt adhesion of the header with the concrete.
    Type: Grant
    Filed: May 31, 1990
    Date of Patent: October 15, 1991
    Assignee: Soletanche
    Inventors: Paul Cannac, Gerard Geist