Patents by Inventor Pierre Rat

Pierre Rat 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).

  • Method of manufacturing articles of compacted powder
    Patent number: 4710329
    Abstract: A method and a mould for manufacturing articles of compacted powder by isostatic compression of powder in a mould, which is made of flexible material of substantially constant thickness and is substantially barrel-shaped, the mould having at one end a bottom made integral with the rest of the mould and being adapted to be closed by a separate plug at its other end.
    Type: Grant
    Filed: May 16, 1984
    Date of Patent: December 1, 1987
    Assignees: Basset Bretagne Loire - B.B.L., Societe Nationale des Poudres et Explosifs
    Inventors: Jean-Marie Lebas, Pierre Rat, Jean-Marcel Dupont, Germain Vinuesa
  • Device for manufacturing articles of compacted powder
    Patent number: 4330251
    Abstract: A method and a mould for manufacturing articles of compacted powder by isostatic compression of powder in a mould, which is made of flexible material of substantially constant thickness and is substantially barrel-shaped, the mould having at one end a bottom made integral with the rest of the mould and being adapted to be closed by a separate plug at its other end.
    Type: Grant
    Filed: September 5, 1979
    Date of Patent: May 18, 1982
    Assignees: Basset Bretagne Loire-BBL, Societe National des Poudres et Explosifs
    Inventors: Jean-Marie Lebas, Pierre Rat, Jean-Marcel Dupont, Germain Vinuesa