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Patents Applications
last 30 patents
Information
Patent Application
BOGIE AND AXLE BOX SUSPENSION POSITIONING DEVICE THEREOF
Publication number
20150367867
Publication date
Dec 24, 2015
Qiqihar Railway Rolling Stock Co., Ltd. Dalian R&D Centre
Shifeng XU
B61 - RAILWAYS
Information
Patent Application
Swing Bolster, Swing Bolster Vibration Reduction Assembly and Bogie
Publication number
20150367866
Publication date
Dec 24, 2015
Qiqihar Railway Rolling Stock Co., Ltd. Dalian R&D Centre
Pinwei YIN
B61 - RAILWAYS
Information
Patent Application
CAR-COUPLER BUFFER AND RAIL WAY CAR
Publication number
20150307115
Publication date
Oct 29, 2015
Qiqihar Railway Rolling Stock Co., Ltd. Dalian R&D Centre
Xiaolong WANG
B61 - RAILWAYS