Changchun WANG

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Heilongjiang, 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
Railway vehicle, coupler, and coupler body thereof
- Patent number 11,560,161
- Issue date Jan 24, 2023
- CRRC QIQIHAR ROLLING STOCK CO., LTD.
- Yingjun Cui
- B61 - RAILWAYS
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

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
RAILWAY VEHICLE, COUPLER, AND COUPLER BODY THEREOF
- Publication number 20200406940
- Publication date Dec 31, 2020
- CRRC QIQIHAR ROLLING STOCK CO., LTD.
- Yingjun CUI
- B61 - RAILWAYS
Information Patent Application
LIME KILN APPARATUS FULLY RECYCLING CO2
- Publication number 20200048146
- Publication date Feb 13, 2020
- Changchun WANG
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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