ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,179, issued on March 31, was assigned to Shenzhen Antop Technology Co. Ltd. (Shenzhen, China).

"Cleaning device with pet interaction function" was invented by Ruidian Yang (Shenzhen, China) and Chu Yan (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cleaning device with a pet interaction function includes a device body, a track formed on a side surface of the device body, and one or more movable elements that is capable of moving along the track for interacting with a pet. Considering the energetic, playful and curious nature of the pet, the cleaning device provides an interesting interactive experience that attracts the pet to ap...