ALEXANDRIA, Va., June 18 -- United States Patent no. 12,325,120, issued on June 10, was assigned to SEMES Co. LTD. (Cheonan-si, South Korea).

"Gas cylinder transfer apparatus and gas cylinder logistics system including the same" was invented by Tae Ho Kim (Cheonan-si, South Korea), Wang Hyeon Son (Cheonan-si, South Korea) and Chong Whan Lee (Cheonan-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gas cylinder transfer apparatus and a gas cylinder logistics system including the same are disclosed. The gas cylinder transfer apparatus includes a transfer vehicle for transferring a gas cylinder and a transfer robot disposed on the transfer vehicle. The transfer robot includes a robot hand for su...