ALEXANDRIA, Va., June 10 -- United States Patent no. 12,291,077, issued on May 6, was assigned to HYUNDAI MOTOR COMPANY (Seoul, South Korea), KIA Corp. (Seoul, South Korea) and DOOWON CLIMATE CONTROL Co. LTD (Asan, South Korea).

"Air-conditioning device and system having an integrated heat exchanger" was invented by Kwang Ok Han (Seoul, South Korea), Gee Young Shin (Suwon-si, South Korea), Su Yeon Kang (Seoul, South Korea), Dong Ho Kwon (Yongin-si, South Korea), Myung Hoe Kim (Seoul, South Korea), Dae Hee Lee (Incheon, South Korea), Jae Won Cha (Pyeongtaek-si, South Korea), Won Jun Joung (Uiwang-si, South Korea) and Byung Guk An (Asan-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present...