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Patents Grantslast 30 patents

Information Patent Grant
Power supply battery and power supply system for high-speed maglev...
- Patent number 11,916,215
- Issue date Feb 27, 2024
- CRRC Qingdao Sifang Co., Ltd.
- Jianying Liang
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Train connector and inserted connection member thereof
- Patent number 10,562,549
- Issue date Feb 18, 2020
- CRRC QINGDAO SIFANG CO., LTD.
- Weikai Yu
- B61 - RAILWAYS
Information Patent Grant
Interlocking control device of multiple-unit train safety circuit
- Patent number 10,192,694
- Issue date Jan 29, 2019
- CRRC QINGDAO SIFANG CO., LTD.
- Buzhao Niu
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
INTEGRATED ELECTROMAGNET AND MAGLEV TRAIN
- Publication number 20220340014
- Publication date Oct 27, 2022
- CRRC QINGDAO SIFANG CO., LTD.
- Fujie JIANG
- B60 - VEHICLES IN GENERAL
Information Patent Application
POWER SUPPLY BATTERY AND POWER SUPPLY SYSTEM FOR HIGH-SPEED MAGLEV...
- Publication number 20220181723
- Publication date Jun 9, 2022
- CRRC QINGDAO SIFANG CO., LTD.
- Jianying LIANG
- B60 - VEHICLES IN GENERAL
Information Patent Application
INTERLOCKING CONTROL DEVICE OF MULTIPLE-UNIT TRAIN SAFETY CIRCUIT
- Publication number 20180190443
- Publication date Jul 5, 2018
- CRRC QINGDAO SIFANG CO., LTD.
- Buzhao NIU
- B60 - VEHICLES IN GENERAL
Information Patent Application
TRAIN CONNECTOR AND INSERTED CONNECTION MEMBER THEREOF
- Publication number 20170369082
- Publication date Dec 28, 2017
- CRRC QINGDAO SIFANG CO., LTD.
- Weikai YU
- B61 - RAILWAYS