Bo SONG

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Qingdao, CN

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Patents Grantslast 30 patents

Information Patent Grant
Side wall component of railway vehicle, and railway vehicle
- Patent number 11,142,223
- Issue date Oct 12, 2021
- CRRC QINGDAO SIFANG CO., LTD.
- Bo Song
- B61 - RAILWAYS
Information Patent Grant
Side wall component of railway vehicle, and railway vehicle
- Patent number 11,142,227
- Issue date Oct 12, 2021
- CRRC QINGDAO SIFANG CO., LTD.
- Fei Wang
- B61 - RAILWAYS
Information Patent Grant
Roof component of railway vehicle, and railway vehicle
- Patent number 10,668,934
- Issue date Jun 2, 2020
- CRRC QINGDAO SIFANG CO., LTD.
- Yang Li
- B61 - RAILWAYS

Patents Applicationslast 30 patents

Information Patent Application
Side Wall Component of Railway Vehicle, and Railway Vehicle
- Publication number 20190168781
- Publication date Jun 6, 2019
- CRRC QINGDAO SIFANG CO., LTD.
- Bo SONG
- B61 - RAILWAYS
Information Patent Application
Side Wall Component of Railway Vehicle, and Railway Vehicle
- Publication number 20190084590
- Publication date Mar 21, 2019
- CRRC QINGDAO SIFANG CO., LTD.
- Fei WANG
- B61 - RAILWAYS
Information Patent Application
Roof Component of Railway Vehicle, and Railway Vehicle
- Publication number 20190077421
- Publication date Mar 14, 2019
- CRRC QINGDAO SIFANG CO., LTD.
- Yang LI
- B61 - RAILWAYS