ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,457,990, issued on Nov. 4, was assigned to SHENZHEN LALAHOME SMARTECH Co. LTD. (Shenzhen, China).

"Device for cleaning pet feces automatically and intelligently" was invented by Yanjiatai Wei (Shenzhen, China), KaiShu Hui (Shenzhen, China), Zhixing Wei (Shenzhen, China) and Guohong Tan (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to the technical field of a cat toilet, and specifically to a device for cleaning a pet feces automatically and intelligently, including a cat toilet main machine (1), a toilet bin (2) arranged inside the main machine, and a detachable feces collecting bin (4). The toilet bin (2) ...