Patents by Inventor Jean-Francis Rimbert

Jean-Francis Rimbert 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).

  • Process of producing metal powders from a molten metal material
    Patent number: 4521244
    Abstract: A cryogenic fluid in the liquid phase is put in contact with a metal material maintained in a closed treating vessel, the cryogenic fluid which contains the solid particles formed is exhausted from the vessel, and the solid particles are separated from the cryogenic fluid and collected. The metal material is heated by induction heating with a high-frequency current and maintained in levitation in the cryogenic liquid. The process is applicable to the production of ultra-fine powders from metals which are only slightly volatile.
    Type: Grant
    Filed: April 24, 1984
    Date of Patent: June 4, 1985
    Assignee: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Albert-Gilbert Goursat, Gilles Vernet, Jean-Francis Rimbert, Jean Foulard, Thierry Darle, Jean Bigot