ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,769,269, issued on Oct. 20, was assigned to TIANJIN UNIVERSITY (China).

"Intelligent circulation and allocation control system for multiple surface and ground water resources" was invented by Li He (Tianjin, China) and Hushen Feng (Tianjin, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is an intelligent circulation and allocation control system for multiple surface and ground water resources, including a physical, chemical and biological multi-stage decentralized restoration system, which is respectively connected with a water quality detection and reinjection system, an integrated data processing system, an intelligent safety early war...