MUMBAI, India, March 14 -- Intellectual Property India has published a patent application (202517132788 A) filed by Crrc Yangtze Co. Ltd., Hubei, China, on Dec. 29, 2025, for 'door frame device and insulated railway truck.'
Inventor(s) include Gao, Jianhua; He, Yuanxin; Jing, Chuanfeng; Chen, Xiaogang; Xie, Bin; Zhang, Min; Jin, Xiaoping; Sun, Chunxu; Luo, Guiqiong; Shu, Lin; Liu, Danyan; Ren, Wenke; and Yuan, Ding.
The application for the patent was published on March 13, under issue no. 11/2026.
According to the abstract released by the Intellectual Property India: "A door frame device and an insulated railway truck. The door frame device comprises: a support door frame (10), which is connected to a truck body; a force-bearing door frame (20), which is connected to the truck body and is spaced apart from the support door frame (10); and a heat insulation door frame (30), which is arranged between the support door frame (10) and the force-bearing door frame (20) and is connected to the support door frame (10) and the force-bearing door frame (20)."
The patent application was internationally filed on Apr. 29, 2024, under International application No.PCT/CN2024/090481.
Disclaimer: Curated by HT Syndication.
