ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,504,211, issued on Dec. 23, was assigned to LG Electronics Inc. (Seoul, South Korea).

"Air conditioner" was invented by Daehyoung Kim (Seoul, South Korea), Yongcheol Sa (Seoul, South Korea), Jiyoung Jang (Seoul, South Korea), Chiwoo Song (Seoul, South Korea) and Jisung Lee (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An air conditioner may include a controller; a compressor; an outdoor heat exchanger; a plurality of indoor heat exchangers; a switching valve that selectively guides a refrigerant discharged from the compressor to the outdoor heat exchanger or the plurality of indoor heat exchangers; high pressure pipes that connect t...