US Patent Issued to Zhejiang Institute of Hydraulics & Estuary (Zhejiang Institute of Marine Planning and Design) on Nov. 18 for "Intelligent wastewater purification and treatment device" (Chinese Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,223, issued on Nov. 18, was assigned to Zhejiang Institute of Hydraulics & Estuary (Zhejiang Institute of Marine Planning and Design) (Hangzhou, China).

"Intelligent wastewater purification and treatment device" was invented by Shuiping Yao (Hangzhou, China), Helong Wang (Hangzhou, China), Yimin Qian (Hangzhou, China), Ruoying He (Hangzhou, China) and Junhong Xiang (Hangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein is an intelligent wastewater purification and treatment device. The device comprises a drum, a plurality of protrusions arranged in an array are fixed to an inner surface of the drum, an oil scraping assembly...