Patents by Inventor Michel Belval

Michel Belval 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).

  • Patent number: 4332170
    Abstract: A sub-assembly for detecting leaks of a liquid metal circulating in a component of a circuit such as a conduit or a valve or contained in a storage means such as a reservoir, comprising electrically conductive elements arranged inside an electrically insulating material, wherein said insulating material consists of a rigid shell the inner surface of which is adapted to the outer surface of said component, while open grooves are formed on the inner surface of the shell for receiving said electrically conductive elements, the grooves having a widened portion remote from the inner surface of the shell, receiving the electrically conductive elements, and a portion of reduced width located between the widened portion and the inner surface of the shell and maintaining the electrically conductive elements at a spacing from said inner surface.
    Type: Grant
    Filed: April 29, 1980
    Date of Patent: June 1, 1982
    Assignees: Commissariat a l'Energie Atomique, Carbonisation Entreprise et Ceramique (C.E.C.)
    Inventors: Michel Belval, Chantal Casselman, Jean-Claude Malet, Christian Prats, Jean Meneret