Patents by Inventor Michel Leone

Michel Leone 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).

  • Composite material the characteristics of which can be modulated by preimpregnation of a continuous fiber
    Patent number: 5275883
    Abstract: A composite material the characteristics of which can be modulated by preimpregnation of a continuous fiber.It is characterized in that it is comprised of a sheath and a core consisting of continuous fibers, a powder and a filler the melting temperature of which is higher than at least the highest melting temperature of the other constituents of the material.Applicable notably in the radioelectric fields and to radomes in particular.
    Type: Grant
    Filed: June 21, 1990
    Date of Patent: January 4, 1994
    Assignees: L'Etat Francais, Atochem SA la Defense
    Inventors: Michel Leone, Robert F. Carbone, Roland A. Ganga
  • Multichannel structures made of composites, processes and semifinished products for the manufacture thereof
    Patent number: 4789577
    Abstract: The invention concerns low density multichannel structures made of composites, processes and semifinished products for the manufacture thereof.A multichannel laminated resin structure according to the invention includes cellular fabric (1) defining a row of parallel ducts in each of which is inserted a fitted tubular extrusion (3). The semifinished product is placed between the external reinforcement layers (4, 5). The cellular fabric and reinforcement layers are embedded in a curable resin (6).One application is the manufacture of boat hulls or airframes for light aircraft, noncorrodible and very good mechanical properties.
    Type: Grant
    Filed: August 12, 1986
    Date of Patent: December 6, 1988
    Assignee: Etat Francais
    Inventors: Michel Leone, Robert Carbone