Shudian LI

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Qingdao, CN

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Patents Grantslast 30 patents

Information Patent Grant
System and method for monitoring pressure inside railway vehicle
- Patent number 11,541,920
- Issue date Jan 3, 2023
- CRRC Qingdao Sifang Co., Ltd.
- Zongchang Wang
- B61 - RAILWAYS

Patents Applicationslast 30 patents

Information Patent Application
PRESSURE REGULATING APPARATUS IN VEHICLE AND REGULATING METHOD
- Publication number 20220135090
- Publication date May 5, 2022
- CRRC QINGDAO SIFANG CO., LTD.
- Zhenhuan LIU
- B61 - RAILWAYS
Information Patent Application
SYSTEM AND METHOD FOR MONITORING PRESSURE INSIDE RAILWAY VEHICLE
- Publication number 20200339170
- Publication date Oct 29, 2020
- CRRC QINGDAO SIFANG CO., LTD.
- Zongchang WANG
- B61 - RAILWAYS
Information Patent Application
Vehicle Body Structure and Rail Train with Vehicle Body
- Publication number 20190168783
- Publication date Jun 6, 2019
- CRRC QINGDAO SIFANG CO., LTD.
- Conghui ZHANG
- B61 - RAILWAYS