ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,296, issued on Feb. 10, was assigned to Commissariat A L'energie Atomique Et Aux Energies Alternatives (Paris).

"Cylinder in particular for hydrogen tank cycling facility" was invented by Stephane Carriere (Paris) and Stephane Villalonga (Paris).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hydraulic cylinder, in particular for a hydrogen tank pressurization installation, including a cylindrical body of longitudinal axis having a first low-pressure cylindrical body portion and a second high-pressure cylindrical body portion, a piston being mounted in the first cylindrical body portion and being mounted at a first end of a piston rod slidably exten...