GENEVA, May 3 -- CRRC MEISHAN CO., LTD (Simeng Town, Dongpo DistrictMeishan, Sichuan 620032), 中车眉山车辆有限公司 (中国四川省眉山市东坡区思蒙镇) filed a patent application (PCT/CN2024/133697) for "SECONDARY LOCKING MECHANISM FOR BOTTOM DOOR OF RAILWAY HOPPER CAR" on Nov 22, 2024. With publication no. WO/2026/085954, the details related to the patent application was published on Apr 30, 2026.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).

Inventor(s): ZHANG, Ruiguo (S...