ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,224, issued on April 14, was assigned to Hyundai Motor Co. (Seoul, South Korea) and Kia Corp. (Seoul, South Korea).

"Oil supply device and control method for electric vehicle powertrain" was invented by Jin Young Hwang (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "An oil supply device for an electric vehicle powertrain apparatus, includes an electric oil pump, a motor lubrication flow path connected to the electric oil pump and provided to supply oil from the electric oil pump to a bearing of a motor, a motor cooling flow path branched from the motor lubrication flow path to supply oil for cooling the motor from the electric...