ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,634, issued on March 31, was assigned to HANON SYSTEMS (Daejeon, South Korea).

"Air conditioner for vehicle" was invented by Jae Yeong Ju (Daejeon, South Korea), Jun Chul An (Daejeon, South Korea), Jung Ho Lee (Daejeon, South Korea) and Jin Hyeong Lee (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides an air conditioner for a vehicle including a door disposed inside an air conditioning case and configured to adjust an opening degree of an air flow path including a first gear and a second gear coupled to the door or door driving components, wherein the first gear and the second gear include a first t...