INTERNATIONAL PATENT: CRRC QISHUYAN CO., LTD, 中车戚墅堰机车有限公司 FILES APPLICATION FOR "INTEGRATED CASE BODY BASED ON TWO-STAGE PRESSURIZATION SYSTEM"

GENEVA, June 29 -- CRRC QISHUYAN CO., LTD (Yanling East Road 358Changzhou, Jiangsu 213000), 中车戚墅堰机车有限公司 (中国江苏省常州市延陵东路358号) filed a patent application (PCT/CN2023/142339) for "INTEGRATED CASE BODY BASED ON TWO-STAGE PRESSURIZATION SYSTEM" on Dec 27, 2023. With publication no. WO/2025/129738, the details related to the patent application was published on Jun 26, 2025.

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, Liangliang (...