ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,721,310, issued on Sept. 1, was assigned to Shenzhen Petemeng Creative Technology Co. Ltd. (Shenzhen, China).

"Pet water fountain with clean and dirty water separation" was invented by Danyang Wu (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses a pet water fountain with clean and dirty water separation, including a shell, a clean water tank, a dirty water tank, a water outlet tube, a water pump, a drinking tray assembly, a rotating member, and a driving member. The clean water tank and the dirty water tank are arranged on two sides of the shell. The water outlet tube is mounted on the shell and located abov...