ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,653, issued on March 24, was assigned to KYUNGDONG NAVIEN Co. LTD. (Pyeongtaek-si, South Korea).

"Air conditioner having water nozzle cleaning system and water nozzle cleaning method used therein" was invented by Chan Woo Nam (Seoul, South Korea), Ju Hyuk Lee (Seoul, South Korea), Moon Yong Park (Seoul, South Korea) and Myoung Seop Lee (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An air conditioner having a water nozzle cleaning system for cleaning a water nozzle spraying water to a heat exchanger, and a braking control method used therein are provided, the air conditioner including an evaporator, an expansion valve, a compres...