Patents by Inventor Jean-Louis J. Feuillade

Jean-Louis J. Feuillade 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).

  • Manufacture of prestressed products
    Patent number: 4249873
    Abstract: Apparatus for forming prestressed concrete beams comprising groups of molds, each group forming a module, with the modules arranged consecutively and tracks are placed alongside the modules. Plates seal off the ends of each mold and the beams are lifted off the molds by the plates after the prestressing wires have been cut.
    Type: Grant
    Filed: March 14, 1979
    Date of Patent: February 10, 1981
    Assignee: B. M. Costamagna et Cie
    Inventor: Jean Louis J. Feuillade
  • Process of railroad tie concrete casting
    Patent number: 4204660
    Abstract: Apparatus for molding rail ties of the type which include one or more fastening devices embedded in the concrete of the type having a shoe plate which rests on the tie and a projecting tab part, the mold having plates, which are preferably removable inserts, for accepting the shoe portion of the device, and flexible jaws which engage the projecting tab part to align it with respect to the mold.
    Type: Grant
    Filed: August 23, 1978
    Date of Patent: May 27, 1980
    Assignee: Societe B.M. Costamagna
    Inventor: Jean-Louis J. Feuillade