Lidong Li

Follow

Person

Heilongjiang, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Bogie and axle box suspension positioning device thereof
- Patent number 10,086,851
- Issue date Oct 2, 2018
- CRRC Qiqihar Rolling Stock Co., Ltd.
- Shifeng Xu
- B61 - RAILWAYS
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
Journal box rubber pad and bogie
- Patent number 8,561,548
- Issue date Oct 22, 2013
- Qiqihar Railway Rolling Stock Co., Ltd.
- Zhenming Liu
- B61 - RAILWAYS

Patents Applicationslast 30 patents

Information Patent Application
BOGIE AND AXLE BOX SUSPENSION POSITIONING DEVICE THEREOF
- Publication number 20150367867
- Publication date Dec 24, 2015
- Qiqihar Railway Rolling Stock Co., Ltd. Dalian R&D Centre
- Shifeng XU
- B61 - RAILWAYS
Information Patent Application
JOURNAL BOX RUBBER PAD AND BOGIE
- Publication number 20130008338
- Publication date Jan 10, 2013
- QIQIHAR RAILWAY ROLLING STOCK CO., LTD
- ZHENMING LIU
- 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