ALEXANDRIA, Va., July 16 -- United States Patent no. 12,356,953, issued on July 15, was assigned to Hefei Jiqu Network Technology Co. Ltd. (Hefei, China).

"Intelligent cat litter box" was invented by Nan Jiang (Hefei, China), Ting He (Hefei, China) and Yi Qin (Hefei, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An intelligent cat litter box includes a filter screen assembly and a connector. The filter screen assembly is disposed at a respective opening position of a litter collecting bin, and an edge of one side away from the litter collecting bin can fit with an inner wall of a ball bin; and the connector is disposed in the ball bin, and can not only fit with the filter screen assembly rotationally ...