ALEXANDRIA, Va., July 30 -- United States Patent no. 12,369,767, issued on July 29, was assigned to TP-Link Systems Inc. (Irvine, Calif.).

"Cleaning robot docking station and cleaning system with cleaning robot docking station" was invented by Ning Cheng (Shenzhen, China), Yuhong Hu (Shenzhen, China), Feixiang Mei (Shenzhen, China) and Chunlin Xu (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a cleaning robot docking station and a cleaning system with the cleaning robot docking station. The cleaning robot docking station includes an evaporation equipment, configured to evaporate liquid inside the evaporation equipment and expel a first gas. The cleaning robot ...