ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,772,935, issued on Oct. 27, was assigned to Greenworks (Jiangsu) Co. Ltd. (Changzhou, China).
"Power device and power tool" was invented by Jianbo Li (Changzhou, China), Lingao Zhang (Changzhou, China), Xiaohui Huo (Changzhou, China) and Yongxing Ma (Changzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power device and a power tool are provided, including a motor and a transmission gear set. The transmission gear set includes a driving gear and a driven gear, a speed of the motor is from 5000 rpm to 11000 rpm, a diameter is from 20 mm to 50 mm, and a volume is from 600 mm3 to 2200 mm3. A weight is from 90 g to 260 g. A reduction ratio of th...