US Patent Issued to L'Air Liquide Societe Anonyme Pour l'Etude et l'Exploitation des Procedes Georges Claude on Nov. 18 for "Pumping device, plant and method for supplying liquid hydrogen" (French Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,899, issued on Nov. 18, was assigned to L'Air Liquide Societe Anonyme Pour l'Etude et l'Exploitation des Procedes Georges Claude (Paris).

"Pumping device, plant and method for supplying liquid hydrogen" was invented by Simon Crispel (Sassenage, France), Anh Thao Thieu (Les-Loges-en-Josas, France), Gaetan Coleiro (Sassenage, France), Fabien Durand (Sassenage, France) and Eric Michalski (Naintre, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "Device for pumping liquid hydrogen including, arranged in series between an inlet for fluid to be compressed and an outlet for compressed fluid, a first compression member with a piston forming a first com...