ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,485,523, issued on Dec. 2, was assigned to Nanjing Chervon Industry Co. Ltd. (Nanjing, China).

"Torque output tool" was invented by Wei Lu (Nanjing, China) and Di Wu (Nanjing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A torque output tool includes a housing; an electric motor disposed in the housing; an output shaft capable of being connected to a working accessory and driving the working accessory to rotate; and a transmission assembly. The transmission assembly includes a drive wheel drivable by the electric motor to drive the output shaft to rotate about a first axis; a shaft lock ring disposed around the output shaft; and multiple locking ...