ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,037, issued on March 18, was assigned to HYUNDAI MOTOR COMPANY (Seoul, South Korea) and KIA Corp. (Seoul, South Korea).

"Method of heating catalyst through system cooperation and vehicle" was invented by Doo-Il Won (Seoul, South Korea), Oh-Jae Lee (Seoul, South Korea), Naeun Jung (Seoul, South Korea) and Dong-Woo Hong (Hwaseong-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of heating catalyst through system cooperation implemented by a vehicle may enable the start of an engine of a part load among engine operation modes to heat a catalyst even in a cold quick acceleration situation with a lock-up CH control by locking up a...