ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,935, issued on Feb. 3, was assigned to HEFEI MIDEA REFRIGERATOR Co. LTD. (Hefei, China), HEFEI HUALING Co. LTD. (Hefei, China) and MIDEA GROUP Co. LTD. (Guangdong, China).

"Water quality monitoring method for water supply system, water supply system, and refrigeration apparatus" was invented by Zanxi Liu (Anhui, China), Yang Shao (Anhui, China), Xing Chen (Anhui, China), Mingxing Sun (Anhui, China), Jincai Wang (Anhui, China) and Zengqiang Si (Anhui, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application relates to the technical field of water quality monitoring for water supply systems, and provides a water quality monitoring m...