ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,419,468, issued on Sept. 23, was assigned to Xiamen Solex High-Tech Industries Co. Ltd. (Xiamen, China).

"Water outlet mechanism for adjusting mixed ratio of functional liquid and water" was invented by Honghui Lai (Fujian, China), Lian Zhang (Fujian, China), Tingke Liu (Fujian, China) and Mingfu Zhang (Fujian, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A water outlet mechanism for adjusting a mixed ratio of a functional liquid comprises a water operated pump driven by water power, a functional liquid storage chamber, a water outlet channel, a water inlet channel, and a flow rate adjustment mechanism. A liquid inlet of the water operated pump...