Patents by Inventor Antoine Cohu

Antoine Cohu 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).

  • Pressure regulating device for a cryogenic tank and plant for delivering corresponding fluid
    Patent number: 6336332
    Abstract: This device comprises a closed heating chamber (36) extending through the wall (3, 4, 5) of the tank and connected to this wall, a feed pipe (22) suitable for feeding the heating chamber (36) with a heating fluid having a temperature above the temperature of the cryogenic fluid, and an exhaust pipe (23) intended for discharging the heating fluid, each of the pipes intended for discharging the heating fluid, each of the pipes (22, 23) passing through an outer wall (20) of the heating chamber (36). The device is particularly useful in the delivery of ultrapure helium.
    Type: Grant
    Filed: June 8, 2000
    Date of Patent: January 8, 2002
    Assignee: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventor: Antoine Cohu