GENEVA, May 25 -- CRRC ZIYANG CO., LTD. (No. 6 Chenfeng Road, Yanjiang DistrictZiyang, Sichuan 641301), 中车资阳机车有限公司 (中国四川省资阳市雁江区晨风路6号) filed a patent application (PCT/CN2024/113803) for "METHOD FOR IMPROVING TRACK SIGNAL COMPATIBILITY OF ALTERNATING-CURRENT DRIVE LOCOMOTIVE" on Aug 22, 2024. With publication no. WO/2025/102884, the details related to the patent application was published on May 22, 2025.

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