ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,623, issued on July 21, was assigned to XINGMAI INNOVATION TECHNOLOGY (SUZHOU) Co. LTD. (Suzhou, China).
"Cleaning device" was invented by Shengle Wang (Suzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a cleaning device, including: a device body; a traveling mechanism. The traveling mechanism includes a cover plate. A hollow structure is formed on at least a part of the cover plate and is configured to allow liquid to flow out of internal space of the traveling mechanism. A camera unit is disposed on a front side of the cleaning device. A supplement part is disposed close to the camera unit. The camera uni...