ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,208,345, issued on Jan. 28, was assigned to North China Municipal Engineering Design & Research Institute Co. Ltd. (Tianjin, China).
"Large-flux ultra-fine grid system with non-rotating screen plates" was invented by Yongli Sun (Tianjin, China), Pengfeng Li (Tianjin, China), Min Yang (Tianjin, China), Kejian Sui (Tianjin, China), Yaxiong Wang (Tianjin, China), Jiaju Li (Tianjin, China) and Wei Zhang (Tianjin, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a grid system, including a grid body and supports, where the grid body includes a water intake module, a filtering module, a residue scraping module, a residue pre...