ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,459,015, issued on Nov. 4, was assigned to Huzhou Leapting Technology Co. LTD (Zhejiang, China).
"Photovoltaic cleaning system and cleaning method" was invented by Xin Sun (Huzhou, China), Tao Yu (Huzhou, China) and Liangliang Bai (Huzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention discloses a photovoltaic cleaning system and a cleaning method. The system comprises an autonomous navigation mobile device, a robotic arm with a connecting end and a carrying end, and a cleaning robot, wherein the connecting end is connected to the mobile device, and the carrying end can connect the cleaning robot. The system has a cleaning state and a...