Patents by Inventor Daniel A. Duparque

Daniel A. Duparque 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).

  • Fibre-reinforced metal panels and production thereof
    Patent number: 4141802
    Abstract: In panels for use particularly in the aeronautics industry comprising a metal support foil to which is adhered a fiber-reinforced metal matrix layer, the fibers being of high mechanical strength and modulus, the invention provides the improvement of interposing a thin layer of a bonding metal or alloy between the support foil and the fiber-reinforced metal matrix layer.The bonding metal layer serves to improve the adhesion of the metal matrix to the support foil and enables the metal matrix layer to be produced under less severe conditions.
    Type: Grant
    Filed: December 23, 1976
    Date of Patent: February 27, 1979
    Assignee: Societe Nationale des Poudres et Explosifs
    Inventors: Daniel A. Duparque, Andre A. Grange, Daniel L. Morin, Marius F. Leclercq