ALEXANDRIA, Va., June 16 -- United States Patent no. 12,303,927, issued on May 20, was assigned to POSITEC POWER TOOLS (SUZHOU) Co. LTD. (Suzhou, China).
"Spray gun" was invented by Yimin Sun (Suzhou, China), Shisong Zhang (Suzhou, China) and Hongfeng Zhong (Suzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A spray gun includes a first shell, a fan module, a sleeve, a nozzle assembly and a spray bar assembly. The fan module includes a brushless motor. The sleeve is formed or mounted on the first shell. The nozzle assembly is disposed at an end of the sleeve. The spray bar assembly is received in the sleeve and configured to move along a longitudinal axis of the spray bar assembly to open or close ...