MUDANJIANG JINYUAN COUPLER AND DRAFT GEAR MANUFACTURING CO., LTD.

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Heilongjiang, CN

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Patents Grantslast 30 patents

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
STEEL AND COUPLER MADE FROM THE SAME
- Publication number 20110305593
- Publication date Dec 15, 2011
- MUDANJIANG JINYUAN COUPLER AND DRAFT GEAR MANUFACTURING CO., LTD.
- XIAOFENG QIN
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Trademarklast 30 trademarks