Membership
Tour
Register
Log in
Baichuan He
Follow
Person
Qiqihar, CN
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Wagon and vehicle body assembly thereof
Patent number
10,689,011
Issue date
Jun 23, 2020
CRRC Qiqihar Rolling Stock Co., Ltd.
Baichuan He
B61 - RAILWAYS
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
Bottom door opening-closing mechanism, bottom door device and drop-...
Patent number
8,939,088
Issue date
Jan 27, 2015
Qiqihar Railway Rolling Stock Co., Ltd.
Linghan Yue
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Patents Applications
last 30 patents
Information
Patent Application
WAGON AND VEHICLE BODY ASSEMBLY THEREOF
Publication number
20180001904
Publication date
Jan 4, 2018
CRRC QIQIHAR ROLLING STOCK CO., LTD.
Baichuan HE
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
BOTTOM DOOR OPENING-CLOSING MECHANISM, BOTTOM DOOR DEVICE AND DROP-...
Publication number
20140216299
Publication date
Aug 7, 2014
QIQIHAR RAILWAY ROLLING STOCK CO., LTD.
Linghan Yue
B61 - RAILWAYS