Shengkun Wang

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Qiqihar City, Heilongjiang, CN

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Patents Grantslast 30 patents

Information Patent Grant
Compartment and bottom door thereof
- Patent number 10,352,083
- Issue date Jul 16, 2019
- CRRC Qiqihar Rolling Stock Co., Ltd.
- Lei Yu
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Bottom door device and hopper car having the same
- Patent number 9,061,688
- Issue date Jun 23, 2015
- Qiqihar Railway Rolling Stock Co., Ltd.
- Linghan Yue
- B61 - RAILWAYS
Information Patent Grant
Ballast hopper car discharge door control system
- Patent number 8,950,340
- Issue date Feb 10, 2015
- Qiqihar Railway Rolling Stock Co., Ltd.
- Shengkun Wang
- B61 - RAILWAYS

Patents Applicationslast 30 patents

Information Patent Application
FULL SIDE OPENABLE BOXCAR
- Publication number 20180001909
- Publication date Jan 4, 2018
- CRRC QIQIHAR ROLLING STOCK CO., LTD.
- Lianhua LOU
- B61 - RAILWAYS
Information Patent Application
COMPARTMENT AND BOTTOM DOOR THEREOF
- Publication number 20170107751
- Publication date Apr 20, 2017
- CRRC QIQIHAR Rolling Stock CO., LTD.
- Lei Yu
- B61 - RAILWAYS
Information Patent Application
BOTTOM DOOR DEVICE AND HOPPER CAR HAVING THE SAME
- Publication number 20140224148
- Publication date Aug 14, 2014
- QIQIHAR RAILWAY ROLLING STOCK CO., LTD.
- Linghan Yue
- B61 - RAILWAYS
Information Patent Application
BALLAST HOPPER CAR
- Publication number 20130019776
- Publication date Jan 24, 2013
- QIQIHAR RAILWAY ROLLING STOCK CO., LTD.
- Shengkun Wang
- B61 - RAILWAYS
Information Patent Application
BALLAST HOPPER CAR DISCHARGE DOOR CONTROL SYSTEM
- Publication number 20130000509
- Publication date Jan 3, 2013
- QIQIHAR RAILWAY ROLLING STOCK CO., LTD.
- Shengkun Wang
- B61 - RAILWAYS