ALEXANDRIA, Va., May 19 -- United States Patent no. 12,629,807, issued on May 19, was assigned to Nanjing Chervon Industry Co. Ltd. (Nanjing, China).

"Nail gun and control method thereof" was invented by Guang Li (Nanjing, China), Xiaobo Yu (Nanjing, China), Yongkang Wu (Nanjing, China), Yuemei Min (Nanjing, China), Longxiang Liu (Nanjing, China), Tianxiao Xu (Nanjing, China), Qi Du (Nanjing, China) and Guangcheng Sun (Nanjing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A nail gun includes a housing; an electric motor disposed in the housing; a firing assembly configured to be capable of moving from an initial position to a firing position to drive a nail into a workpiece and moving from the firing...