ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,473,742, issued on Nov. 18, was assigned to XINGMAI INNOVATION TECHNOLOGY (SUZHOU) Co. LTD. (Suzhou, China).
"Cleaning device" was invented by Shengle Wang (Suzhou, China) and Shilei Zhang (Suzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a cleaning device, including a cleaning device body, a liquid inlet portion, a liquid outlet portion, a filtering mechanism, and a mode switching member. The filtering mechanism includes at least a filtering box. The filtering box includes at least a filtering box opening for water surface cleaning, a filtering box roller brush assembly, and a drive gear. The filtering box ro...