Patents by Inventor Jean-Yves Thonnelier

Jean-Yves Thonnelier 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 freezing by means of a cryogenic liquid biological products placed in straws
    Patent number: 4783973
    Abstract: A thermally insulated enclosure (1) containing a bath (20) of liquid nitrogen. The enclosure contains a case (3) of flat shape provided with a thermal insulation (4) whose performance is lower than that (2) of the enclosure (1) and comprising, on one hand, supports (17) for supporting straws in a horizontal plane, and, on the other hand, a heater (8) for heating the lower wall (7) and/or the cover (6) of the case. Application in the freezing of animal or human embryos.
    Type: Grant
    Filed: July 22, 1987
    Date of Patent: November 15, 1988
    Assignee: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Nicole Angelier, Joseph Bionda, Jean-Yves Thonnelier
  • Cooling process and tunnel
    Patent number: 4741168
    Abstract: The tunnel comprises a tube (1) in which are stacked parts (A) to be cooled, and an intermediate chamber (7) which surrounds the tube and around which is disposed a heat exchanger (3). Liquid nitrogen is vaporized upwardly in the exchanger, redescends in the chamber (7) and rises in the tube (1). The supply of liquid nitrogen is controlled by a temperature probe (17). Application in the cold fitting of parts in the mechanical industry.
    Type: Grant
    Filed: January 21, 1987
    Date of Patent: May 3, 1988
    Assignee: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Bernard Boyer, Louis Giacinti, Jean-Yves Thonnelier