ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,899, issued on May 20, was assigned to LG Electronics Inc. (Seoul, South Korea).
"Air conditioner" was invented by Daehyoung Kim (Seoul, South Korea), Yongcheol Sa (Seoul, South Korea), Eunjun Cho (Seoul, South Korea) and Junseong Park (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "An air conditioner is provided that includes a compressor that compresses a refrigerant; an accumulator that supplies the refrigerant to the compressor; a condenser that condenses the refrigerant discharged from the compressor; an expansion valve that expands the refrigerant having passed through the condenser; an evaporator that includes a heat exchan...