ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,752, issued on Nov. 18, was assigned to LG Electronics Inc. (Seoul, South Korea).

"Household appliance" was invented by Sunghun Lee (Seoul, South Korea), Byeonghyeon Ju (Seoul, South Korea) and Jintae Kim (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a household appliance comprising: a door; a door lock unit equipped with a hook part which is configured to unlock and open the door by moving outward; a motor configured to generate torque by using electricity; a driving gear unit which has a rotary shaft at one end portion and is configured to rotate by receiving the torque from the motor, wherein the one end portion ...