ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,092, issued on Oct. 21, was assigned to GUANGZHOU RISING DRAGON RECREATION INDUSTRIAL Co. LTD. (Guangzhou, China).
"Bathtub massage nozzle with good massage effect" was invented by Huaibin Zhao (Guangzhou, China) and Xuewen Liu (Guangzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A bathtub massage nozzle includes a nozzle body, a nozzle body Venturi core, a bushing and a nozzle surface cover. The bathtub massage nozzle reduces the dilution and loss of bubbles in the process of water flow transmission. Therefore, the water flow can form dense bubbles in the nozzle, which are guided by the nozzle surface cover and released along a specific...