ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,427,830, issued on Sept. 30, was assigned to HYUNDAI MOTOR COMPANY (Seoul, South Korea), KIA Corp. (Seoul, South Korea) and HANON SYSTEMS (Daejeon, South Korea).

"Heat pump system for a vehicle" was invented by Hoyoung Jeong (Hwaseong-si, South Korea), Hochan An (Hwaseong-si, South Korea), Yeonho Kim (Seoul, South Korea), Jeawan Kim (Hwaseong-si, South Korea), Man Hee Park (Suwon-si, South Korea), Jae Yeon Kim (Hwaseong-si, South Korea), Yeong Jun Kim (Incheon, South Korea), Hae Jun Lee (Daejeon, South Korea), Seong Hun Kim (Daejeon, South Korea), Beom Seok Joo (Daejeon, South Korea) and Yun Jin Kim (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Tra...