ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,031, issued on April 22, was assigned to ORIENTAL RECREATIONAL PRODUCTS (SHANGHAI) Co. LTD (Shanghai).

"Ultraviolet light disinfection apparatus, control box and massage pool" was invented by Zhiyue Wang (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is an ultraviolet light disinfection apparatus mounted on a water pipe that is connected to a massage pool. The ultraviolet light disinfection apparatus comprises: a housing mounted on the water pipe and in closed connection with the water pipe; a PCB disposed inside the housing and provided with a UVC-LED light source and a wire, the wire protruding from the housing to connect to the...