ALEXANDRIA, Va., July 14 -- United States Patent no. 12,677,799, issued on July 14.

"Self-cleaning pet water dispenser" was invented by Wei Ding (Yangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A self-cleaning pet water dispenser, comprising a main body, a clean water tank is detachably arranged on the main body, a wastewater tank is detachably connected to a front side of the main body, a drinking ladle assembly and a water outlet assembly are connected to a front end of the main body and are located above the wastewater tank, the water outlet assembly is communicated with the clean water tank through a water pump, the water outlet assembly comprises a water outlet for filling clean water int...