Shengguo Cong

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Heilongjiang Province, CN

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Patents Grantslast 30 patents

Information Patent Grant
Vehicle coupler, coupler tongue and coupler body
- Patent number 11,912,316
- Issue date Feb 27, 2024
- CRRC QIQIHAR ROLLING STOCK CO., LTD.
- Qingmin Meng
- B61 - RAILWAYS
Information Patent Grant
Coupler yoke and coupler draft gear
- Patent number 8,684,199
- Issue date Apr 1, 2014
- Qiqihar 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
VEHICLE COUPLER, COUPLER TONGUE AND COUPLER BODY
- Publication number 20210001899
- Publication date Jan 7, 2021
- CRRC QIQIHAR ROLLING STOCK CO., LTD.
- Qingmin MENG
- B61 - RAILWAYS
Information Patent Application
COUPLER YOKE AND COUPLER DRAFT GEAR
- Publication number 20120298610
- Publication date Nov 29, 2012
- QIQHAR 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