Patents by Inventor Jean-Daniel Montagnan

Jean-Daniel Montagnan 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).

  • Component to be employed in the constructiion of walls poured in the ground, wall incorporating such a component, and method of constructing such a wall
    Patent number: 4467587
    Abstract: Prefabricated concrete component to be employed in the construction of walls poured in the ground. It has a sheet (2) of impermeable material that at least partly covers the excavation side (6) of the wall, which is to be left uncovered after the wall has been poured, that has at least one face that forms the excavation-side face of the panel while the other side has projections (3) cast into the concrete (1) that makes up the panel, and that can be attached impermeably to the sheet on an adjacent panel.
    Type: Grant
    Filed: June 10, 1982
    Date of Patent: August 28, 1984
    Assignee: Soletanche
    Inventor: Jean-Daniel Montagnan