ALEXANDRIA, Va., June 25 -- United States Patent no. 12,339,018, issued on June 24, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).

"Spraying device and method of controlling the same for improving thermal efficiency of air conditioner" was invented by Jeongkyo Oh (Suwon-si, South Korea), Minji Kim (Suwon-si, South Korea), Sewon Kim (Suwon-si, South Korea), Hakjae Lee (Suwon-si, South Korea) and Jaeyoun Cho (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A spraying device, for spraying water onto an outdoor device of an air conditioner, including a water tank to store water, a first water level sensor to detect the water at a first water level, a second water level...