ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,723,720, issued on Sept. 1, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).
"Gas cylinder replacement system" was invented by Byung Jun An (Suwon-si, South Korea), Hyun Kook Jeon (Suwon-si, South Korea) and Kwang-Jun Kim (Suwon-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a gas cylinder replacement system that may automatically couple or remove a gas pipe and a gas cylinder to or from each other. The gas cylinder replacement system includes a gas cabinet for storing therein a gas pipe and a gas cylinder connected to the gas pipe, a gas cylinder replacement apparatus and a controller configured to...