ALEXANDRIA, Va., June 2 -- United States Patent no. 12,643,214, issued on June 2, was assigned to Positec Power Tools (Suzhou) Co. LTD. (Suzhou, China).

"Power tool and control method thereof" was invented by Jian Chen (Suzhou, China), Liangbao Gong (Suzhou, China) and Wei Zhang (Suzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "This application relates to the field of power tool technologies, and specifically discloses a power tool and a control method thereof. The tool includes at least two output heads. An output head detection assembly can detect a position of an output head at a working position and generate a detection signal. The detection signal is associated with a working mode of the out...