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Qiqihar Heilongjiang, CN
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Patents Grants
last 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
Bogie and side frame thereof
Patent number
9,216,748
Issue date
Dec 22, 2015
Qiqihar Railway Rolling Stock Co., Ltd.
Shifeng Xu
B61 - RAILWAYS
Information
Patent Grant
Tank container, tank body and processing method of tank body
Patent number
8,746,493
Issue date
Jun 10, 2014
Qiqihar Railway Rolling Stock Co., Ltd.
Guang Li
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Central suspension device, wagon bogie and express railway wagon
Patent number
8,671,845
Issue date
Mar 18, 2014
Qiqihar Railway Rolling Stock Co., Ltd.
Shifeng Xu
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
Side wall and boxcar of railway wagon
Patent number
8,468,954
Issue date
Jun 25, 2013
Qiqihar Railway Rolling Stock Co., Ltd.
Junfeng Han
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
Patents Applications
last 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
BOGIE AND SIDE FRAME THEREOF
Publication number
20140165871
Publication date
Jun 19, 2014
QIQIHAR RAILWAY ROLLING STOCK CO., LTD
Shifeng Xu
B61 - RAILWAYS
Information
Patent Application
CENTRAL SUSPENSION DEVICE, WAGON BOGIE AND EXPRESS RAILWAY WAGON
Publication number
20120318165
Publication date
Dec 20, 2012
QIQIHAR RAILWAY ROLLING STOCK CO., LTD.
SHIFENG XU
B61 - RAILWAYS
Information
Patent Application
TANK CONTAINER, TANK BODY AND PROCESSING METHOD OF TANK BODY
Publication number
20120018436
Publication date
Jan 26, 2012
DALIAN QICHE RAILWAY ROLLING STOCK CO., LTD
Guang Li
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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
SIDE WALL AND BOXCAR OF RAILWAY WAGON
Publication number
20110253006
Publication date
Oct 20, 2011
DALIAN QICHE RAILWAY ROLLING STOCK CO., LTD
Junfeng Han
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