ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,487, issued on May 5, was assigned to 2CD Co. LTD. (Goyang-si, South Korea).
"Automatic liquid drain device" was invented by Junbeom Lee (Seoul, South Korea) and Chulhyun Baek (Incheon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "Proposed is an automatic liquid drain device including a body (10) having a water collection chamber (12) and configured such that an upper cap member (11) having a liquid inlet (13) is fastened to an upper portion of the water collection chamber (12), a buoyancy valve member (20) embedded to be vertically movable in the water collection chamber (12), having downward-inclined ribs (23) and a drop drain (24), an...