Patents by Inventor Dominique Desir

Dominique Desir 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).

  • Cold trap for purifying liquid sodium containing impurities
    Patent number: 4737281
    Abstract: Cold trap for purifying liquid sodium containing impurities of the type comprising, in a sealed enclosure cooled by a cooling fluid flowing in contact with its outer surface, in the upper part an economizer for lowering the temperature of the hot sodium and ensuring its introduction into the trap, and in the lower part the actual trap containing a filter plug, kept at its cold point temperature, wherein the enclosure is annular, the filter plug being located in the space between two concentric cylindrical ferrules.
    Type: Grant
    Filed: August 12, 1986
    Date of Patent: April 12, 1988
    Assignee: Service National Electricite de France
    Inventor: Dominique Desir