US Patent Issued to SEMES on Nov. 3 for "Torsion pump, chemical liquid supplying apparatus, and substrate treating apparatus" (South Korean Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,781,729, issued on Nov. 3, was assigned to SEMES Co. LTD. (Chungcheongnam-Do, South Korea).

"Torsion pump, chemical liquid supplying apparatus, and substrate treating apparatus" was invented by Young Jun Son (Chungcheongnam-do, South Korea), Byoung Doo Choi (Chungcheongnam-do, South Korea), Woo Sin Jung (Chungcheongnam-do, South Korea), Sung Chul Jung (Chungcheongnam-do, South Korea), Woo Ram Lee (Seoul, South Korea), Ki Sang Eum (Chungcheongnam-do, South Korea) and Young Un Yun (Chungcheongnam-do, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a pump for supplying a liquid, the pump including: a flexible tube body including a pum...