ALEXANDRIA, Va., July 14 -- United States Patent no. 12,679,171, issued on July 14, was assigned to Hyundai Motor Co. (Seoul, South Korea) and Kia Corp. (Seoul, South Korea).

"Air conditioning system for mobility" was invented by Ki Mok Kim (Busan, South Korea), Sang Shin Lee (Suwon-si, South Korea) and Man Ju Oh (Yongin-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An air conditioning system includes a refrigerant circuit including a compressor, a condenser, an expander, and an evaporator, a first coolant line including a first heat exchanger and a first air conditioning heat exchanger, a second coolant line including a second heat exchanger, connected so that coolant in the first coolant l...