US Patent Issued to L'Air Liquide Societe Anonyme Pour l'Etude et l'Exploitation des Procedes Georges Claude on Feb. 17 for "Dilution refrigeration device and method" (French Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,646, issued on Feb. 17, was assigned to L'Air Liquide Societe Anonyme Pour l'Etude et l'Exploitation des Procedes Georges Claude (Paris).

"Dilution refrigeration device and method" was invented by Olivier Guia (Sassenage, France) and Marc Stora (Sassenage, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "Dilution refrigeration device having a support member, a fluid-tight enclosure, an open end of the fluid-tight enclosure being mechanically connected to the support member via a flexible fluid-tight bellows, an upper end of a cryogenerator being secured to the support member, the device further having a fluid-tight sheath which is received in t...