ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,872, issued on March 3, was assigned to YU DING ENTERPRISE Co. LTD (Taichung, Taiwan).

"Looping water device" was invented by Chung-Min Chen (Taichung, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A looping water device has a container, a barrel body, an inlet pipe, and a switch valve. The container has a major tank and a vacuum tube. A water surface in the major tank approaches a datum plane. The vacuum tube is full of water. The barrel body contains air, is secured inside the major tank, and has a discharge port. The inlet pipe is connected to the barrel body and extends into the vacuum tube. The switch valve is connected between the inle...