US Patent Issued to L'Air Liquide Societe Anonyme Pour l'Etude et l'Exploitation des Procedes Georges Claude on April 14 for "Device and method for liquefying a fluid such as hydrogen and/or helium" (French Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,539, issued on April 14, was assigned to L'Air Liquide Societe Anonyme Pour l'Etude et l'Exploitation des Procedes Georges Claude (Paris).

"Device and method for liquefying a fluid such as hydrogen and/or helium" was invented by Pierre Barjhoux (Sassenage, France) and Fabien Durand (Sassenage, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a device for liquefying a fluid, comprising a fluid circuit to be cooled, the device comprising a heat exchanger assembly in heat exchange with the fluid circuit to be cooled, at least one first cooling system in heat exchange with at least a portion of the heat exchanger assembly, the first c...