Long Chen

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Heilongjiang Province, CN

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Patents Grantslast 30 patents

Information Patent Grant
Car-coupler buffer and rail way car
- Patent number 9,707,981
- Issue date Jul 18, 2017
- CRRC Qiqihar Rolling Stock Co., Ltd. Dalian Research & Development Center
- Xiaolong Wang
- B61 - RAILWAYS
Information Patent Grant
Coupler draft gear, double-side operating coupler and lower lockpin...
- Patent number 8,469,211
- Issue date Jun 25, 2013
- Qiqihar Railway Rolling Stock Co., Ltd.
- Qingmin Meng
- B61 - RAILWAYS
Information Patent Grant
Draft gear
- Patent number 8,302,791
- Issue date Nov 6, 2012
- Oiqihar Railway Rolling Stock Co., Ltd.
- Yan Jiang
- B61 - RAILWAYS
Information Patent Grant
Coupler and anti-creep mechanism for the same
- Patent number 8,186,525
- Issue date May 29, 2012
- Qiqihar Railway Rolling Stock Co., Ltd.
- Yingjun Cui
- B61 - RAILWAYS

Patents Applicationslast 30 patents

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
Information Patent Application
DRAFT GEAR
- Publication number 20110266243
- Publication date Nov 3, 2011
- QIQIHAR RAILWAY ROLLING STOCK CO., LTD
- Yan Jiang
- B61 - RAILWAYS
Information Patent Application
Coupler and Anti-Creep Mechanism For The Same
- Publication number 20110073555
- Publication date Mar 31, 2011
- Qiqihar Railway Rolling Stock Co., Ltd
- Yingjun Cui
- B61 - RAILWAYS
Information Patent Application
Coupler Draft Gear, Double-Side Operating Coupler and Lower Lockpin...
- Publication number 20110049078
- Publication date Mar 3, 2011
- Qiqihar Railway Rolling Stock Co., Ltd
- Qingmin Meng
- B61 - RAILWAYS