Patents by Inventor Jean Brouard

Jean Brouard 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).

  • Apparatus for manufacturing building blocks from a hydraulic binder such as plaster, an inert filler such as sand, and water
    Patent number: 5788996
    Abstract: An apparatus for manufacturing a building block by molding under pressure a mixture of a hydraulic binder such as plaster, an inert filler such as sand, and water, by passing a mold (50) through various stations, including a station (A) for filling the mold with a measured quantity of the mixture (56), a station (B) for installing a mold top plate (38), a station (C) for compressing the mixture in the mold, a station (D) for keeping the top and bottom plates (38, 40) in place in the mold, a station (E) for withdrawing the top plate (38), and an unmolding station (F).
    Type: Grant
    Filed: May 21, 1997
    Date of Patent: August 4, 1998
    Assignee: Tecfim
    Inventor: Jean Brouard
  • Method and apparatus for manufacturing building blocks from a hydraulic binder such as plaster, an inert filler such as sand, and water
    Patent number: 5507996
    Abstract: A method and apparatus for manufacturing a building block by molding under pressure a mixture of a hydraulic binder such as plaster, an inert filler such as sand, and water, by passing a mold (50) through various stations, including a station (A) for filling the mold with a measured quantity of the mixture (56), a station (B) for installing a mold top plate (38), a station (C) for compressing the mixture in the mold, a station (D) for keeping the top and bottom plates (38, 40) in place in the mold, a station (E) for withdrawing the top plate (38), and an unmolding station (F).
    Type: Grant
    Filed: November 12, 1993
    Date of Patent: April 16, 1996
    Assignee: TECFIM
    Inventor: Jean Brouard