ALEXANDRIA, Va., June 16 -- United States Patent no. 12,656,056, issued on June 16, was assigned to L'Air Liquide Societe Anonyme Pour l'Etude et l'Exploitation des Procedes Georges Claude (Paris).

"Installation and process for production of a cryogenic fluid" was invented by Emeline Vandroux (Champigny-sur-Ma, France), Florian Martin (Sassenage, France), Ludovic Granados (Champigny-sur-Ma, France) and Jean-Marc Bernhardt (Sassenage, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to an installation and a process for production of a cryogenic fluid, in particular of liquefied hydrogen, comprising, positioned in at least one cold box, a set of heat exchangers in thermal exchange wi...