Patents by Inventor Sylvain Caplat

Sylvain Caplat 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).

  • Panel for casting concrete
    Patent number: 4027846
    Abstract: A panel for casting concrete comprising a front casting plate having a flat front surface constituting a support surface for cast concrete and a rear plate spaced from the front plate. A layer of expanded plastic foam material such as polyurethane foam of high density is cast, in situ, between the plates and effects joinder of the plates with the foam layer to form an assembled panel which behaves as a beam and has high resistance to bending and shear stresses.
    Type: Grant
    Filed: December 31, 1975
    Date of Patent: June 7, 1977
    Assignee: Societe Les Coffrages Madernes
    Inventor: Sylvain Caplat