US Patent Issued to H2CREO on Sept. 29 for "Hydrogen liquefaction system and hydrogen liquefaction method" (South Korean, American Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,911, issued on Sept. 29, was assigned to H2CREO Corp. (Dover, Del.).

"Hydrogen liquefaction system and hydrogen liquefaction method" was invented by Hyung Jin Kim (Gyeonggi-do, South Korea), Sung Yong Kim (Gyeonggi-do, South Korea) and Jong H Baik (Titusville, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A hydrogen liquefaction system comprises a hydrogen pipe, where gaseous hydrogen is introduced at a front end, heat exchange occurs in a first heat exchange unit leading to liquefaction of gaseous hydrogen into liquid hydrogen; a pre-cooling device formed between the front end of the hydrogen pipe and the first heat exchange unit; an oxygen ...