ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,522,450, issued on Jan. 13, was assigned to TECHWIN Co. LTD. (Chungcheongbuk-do, South Korea).

"Particle transfer system and particle transfer method" was invented by Sang Hong Lee (Chungcheongbuk-do, South Korea), In Seok Jung (Chungcheongbuk-do, South Korea), Eui Jip Choi (Chungcheongbuk-do, South Korea), Tai Yeon Kwon (Chungcheongbuk-do, South Korea) and Kyung Seob Lim (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a particle transfer system and a particle transfer method which allow preciously-weighed particles to smoothly pass through a vertically-provided vertical pipe of a transfer line when ...