ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,775, issued on April 29.

"Water discharge structure and sensor-operated water discharge device" was invented by Xingui Zhang (Xiamen, China), Yihui Chen (Xiamen, China) and Mouyong Lin (Xiamen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A water discharge structure and a sensor-operated water discharge device are disclosed. The water discharge structure includes a valve core seat having independent cold water, hot water and sensor-operated mixed water flow channels. An accommodating chamber is disposed inside the sensor-operated mixed water flow channel for accommodating a solenoid valve that controls opening and closing of the sensor-operat...