ALEXANDRIA, Va., June 5 -- United States Patent no. 12,275,125, issued on April 15, was assigned to City University of Hong Kong (Kowloon, Hong Kong).

"Vibration suppression split handle structures for high-vibration handheld" was invented by Xingjian Jing (Sha Tin, Hong Kong).

According to the abstract* released by the U.S. Patent & Trademark Office: "Vibration suppression handle structures for high-vibration handheld machines (e.g., jackhammers) are provided that offer improved vibration suppression. The handle structures of examples include two handles that are rotatably connected to X-shaped structures for vibration suppression. For instance, one side of each of the first and second handles is rotatably connected to one of the X-shape...