Patents by Inventor Laurent Savinel

Laurent Savinel 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).

  • Apparatus for production of nitrogen
    Patent number: 5144809
    Abstract: The apparatus comprises a heat exchange line, a fractionating column which is cooled by means of a rich liquid and a section for adiabatic enrichment with nitrogen derived from entering air, the whole being integrated into a parallelepipedal heat exchanger of the plates and blades type. Use for the production of nitrogen of average purity.
    Type: Grant
    Filed: August 2, 1991
    Date of Patent: September 8, 1992
    Assignee: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Gilbert Chevalier, Christiane Muller, Frederic Rousseau, Laurent Savinel, Jean-Yves Thonnelier