US Patent Issued to L'Air Liquide Societe Anonyme Pour l'Etude et l'Exploitation des Procedes Georges Claude on Sept. 2 for "Pumping of liquid cryogen from a storage tank" (Texas Inventor)

ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,405,594, issued on Sept. 2, was assigned to L'Air Liquide Societe Anonyme Pour l'Etude et l'Exploitation des Procedes Georges Claude (Paris).

"Pumping of liquid cryogen from a storage tank" was invented by Joshua Light (Houston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid cryogen stored in a liquid cryogen space of a closed insulated cryogenic storage vessel is subcooled by allowing it to enter into a conduit disposed in the liquid cryogen space where it is expanded by a pressure reducer in the conduit, thereby producing a cooled biphasic mixture of the cryogen in liquid and vaporized forms. The cooled biphasic mixture has a temperature lower...