US Patent Issued to Hunan Wisdom Water Environmental Engineering on July 1 for "Sewage treatment apparatus suitable for single-family domestic sewage treatment" (Chinese Inventors)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,344,543, issued on July 1, was assigned to Hunan Wisdom Water Environmental Engineering Co. LTD. (Hunan, China).

"Sewage treatment apparatus suitable for single-family domestic sewage treatment" was invented by Wenyun Liao (Changsha, China), Mingjie Jiang (Changsha, China), Yuting Lei (Changsha, China), Lijuan Yi (Changsha, China) and Xingyang Liu (Changsha, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sewage treatment apparatus comprises an external box body, the external box body is internally provided with a screen zone, an anaerobic and anoxic zone, an aerobic zone, a settling zone, an advanced treatment zone and a disinfection and steriliz...