Xiaowen SONG

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Qingdao, Shandong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Semi-active anti-yaw damper, damping system and vehicle
- Patent number 12,023,977
- Issue date Jul 2, 2024
- CRRC QINGDAO SIFANG CO., LTD.
- Xu Wang
- B60 - VEHICLES IN GENERAL
Information Patent Grant
High-speed rail train bogie and frame thereof
- Patent number 10,377,393
- Issue date Aug 13, 2019
- CRRC QINGDAO SIFANG CO., LTD.
- Zhenxian Zhang
- B61 - RAILWAYS

Patents Applicationslast 30 patents

Information Patent Application
SEMI-ACTIVE ANTI-YAW DAMPER, DAMPING SYSTEM AND VEHICLE
- Publication number 20220185054
- Publication date Jun 16, 2022
- CRRC QINGDAO SIFANG CO., LTD.
- Xu WANG
- B60 - VEHICLES IN GENERAL
Information Patent Application
HIGH-SPEED RAIL TRAIN BOGIE AND FRAME THEREOF
- Publication number 20170232979
- Publication date Aug 17, 2017
- CRRC QINGDAO SIFANG CO., LTD.
- Zhenxian ZHANG
- B61 - RAILWAYS