ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,527,719, issued on Jan. 20, was assigned to GUANGZHOU RISING DRAGON RECREATION INDUSTRIAL Co. LTD. (Guangzhou, China).
"Hot tub wall jet nozzle" 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 hot tub wall jet nozzle includes a nozzle body and a nozzle core seat. Water flows from the water inlet into the water flow channel in the nozzle body. Air enters through the air inlet of the nozzle body and reaches the first air accommodating cavity, then flows from the first air accommodating cavity to the second air accommodating cavity, and the air from the second air accommodati...