GENEVA, March 16 -- BEIJING ROBOROCK TECHNOLOGY CO., LTD. (Room 1001, Floor 10, Building 3, Yard 17, Anju RoadChangping District, Beijing 102206), 北京石头世纪科技股份有限公司 (中国北京市昌平区安居路17号院3号楼10层1001) filed a patent application (PCT/CN2025/117162) for "ROTATIONAL COUPLING ASSEMBLY AND CLEANING DEVICE" on Aug 27, 2025. With publication no. WO/2026/051809, the details related to the patent application was published on Mar 12, 2026.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is m...