ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,459,099, issued on Nov. 4, was assigned to HANGZHOU UNITED TOOLS Co. LTD. (China) and HANGZHOU GREAT STAR INDUSTRIAL Co. LTD. (China).
"Pneumatic chipping hammer" was invented by Weiyi Wang (Hangzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present application discloses a pneumatic chipping hammer, and relates to a pneumatic impact tool, which comprises a handle part, the handle part being a hollow member; a main power part, one end of the main power part being connected to the handle part, and principal axes of the handle part and the main power part forming a certain angle; and a chisel part, the chisel part being detachably connected ...