ALEXANDRIA, Va., July 28 -- United States Patent no. 12,693,149, issued on July 28, was assigned to KOREA HYDRO & NUCLEAR POWER. Co. LTD. (Gyeongju-si, South Korea).
"Water level measurement system" was invented by Seung Chan Lee (Daejeon, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A water level measurement system according to an embodiment includes a support pipe installed in a water tank filled with a fluid to measure a water level and extending in a depth direction of the water tank, a support rod disposed on one side of the support pipe based on a central axis of the support pipe and extending in the depth direction of the water tank, a plurality of ultrasonic probes attached to the suppo...