ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,525,903, issued on Jan. 13, was assigned to Positec Power Tools (Suzhou) Co. LTD. (Suzhou, China).

"Power tool and control method thereof" was invented by Kang Zhan (Suzhou, China), Naifu Chen (Suzhou, China), Guangdong Wei (Suzhou, China), Jun Lu (Suzhou, China) and Hang Zhu (Suzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A power tool includes a brushless motor, including a stator and a rotor; an inverter circuit, including a plurality of switch components, where the plurality of switch components are configured to perform a switch action to control driving of the brushless motor; and a controller, electrically connected to the inverter c...