ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,734,639, issued on Sept. 15, was assigned to JIANGSU DONGCHENG M&E TOOLS Co. LTD. (Nantong, China).

"Power tool" was invented by Jinxing Sha (Nantong, China) and Dehan Xiao (Nantong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a power tool, including a housing, a power assembly, a fan assembly, and a bottom plate assembly. The power assembly includes a motor axis, and the fan assembly includes a mounting plate and heat dissipation fan blades and dust collection fan blades integrated into the mounting plate. The fan assembly includes a first counterweight area partially thickened, which is arranged on the secon...