ALEXANDRIA, Va., June 16 -- United States Patent no. 12,654,048, issued on June 16, was assigned to SHANDONG FUTURE ROBOT Co. LTD (Weihai, China).

"Spiral water intake valve and fire-fighting robot" was invented by Zewen Tao (Weihai, China), Yali Wang (Weihai, China), Pengyu Zhang (Weihai, China), Jingwei Jiang (Weihai, China), Xinli Yu (Weihai, China), Zhenxing Li (Weihai, China), Songsong Hao (Weihai, China) and Yang Du (Weihai, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present application discloses spiral water intake valves and fire-fighting robots. The spiral water intake valve includes a valve body. A main valve core and a spiral water intake mechanism are provided in the valve body. The...