ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,474, issued on June 3, was assigned to L'Air Liquide Societe Anonyme Pour l'Etude et l'Exploitation des Procedes Georges Claude (Paris).
"Cryogenic tank" was invented by Guillaume Boye (Voiron, France), Loic Jeunesse (Grenoble, France) and Florent Cordeau (Sassenage, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a cryogenic tank comprising an inner shell intended to contain the cryogenic fluid, an outer shell arranged around the inner shell and delimiting a space between the two shells under vacuum, the outer shell extending in a longitudinal direction and having a plurality of reinforcing ribs distributed in planes t...