Dawei CHEN

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Qingdao, Shandong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Railway vehicle with aerodynamic lift control device
- Patent number 11,718,182
- Issue date Aug 8, 2023
- CRRC Qingdao Sifang Co., Ltd.
- Sansan Ding
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Waste exhaust ventilation door automatic control device and vehicle...
- Patent number 11,383,740
- Issue date Jul 12, 2022
- CRRC QINGDAO SIFANG CO., LTD.
- Shuanbao Yao
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Phase-change energy storage air duct and automobile air conditionin...
- Patent number 11,230,158
- Issue date Jan 25, 2022
- CRRC Qingdao Sifang Co., Ltd.
- Shaoqing Liu
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Device and method for testing flow field state within high-speed tr...
- Patent number 10,401,257
- Issue date Sep 3, 2019
- CRRC QINGDAO SIFANG CO., LTD.
- Yundong Han
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
RAILWAY VEHICLE WITH AERODYNAMIC LIFT CONTROL DEVICE
- Publication number 20230031854
- Publication date Feb 2, 2023
- CRRC QINGDAO SIFANG CO., LTD.
- Sansan DING
- B60 - VEHICLES IN GENERAL
Information Patent Application
WASTE EXHAUST VENTILATION DOOR AUTOMATIC CONTROL DEVICE AND VEHICLE...
- Publication number 20200156668
- Publication date May 21, 2020
- CRRC QINGDAO SIFANG CO., LTD.
- Shuanbao Yao
- B60 - VEHICLES IN GENERAL
Information Patent Application
RAILWAY VEHICLE CARRIAGE STRUCTURE AND RAILWAY VEHICLE
- Publication number 20190241200
- Publication date Aug 8, 2019
- CRRC QINGDAO SIFANG CO., LTD.
- Dawei CHEN
- B61 - RAILWAYS
Information Patent Application
PHASE-CHANGE ENERGY STORAGE AIR DUCT AND AUTOMOBILE AIR CONDITIONIN...
- Publication number 20190217680
- Publication date Jul 18, 2019
- CRRC QINGDAO SIFANG CO., LTD.
- Shaoqing LIU
- B60 - VEHICLES IN GENERAL
Information Patent Application
DEVICE AND METHOD FOR TESTING FLOW FIELD STATE WITHIN HIGH-SPEED TR...
- Publication number 20170234763
- Publication date Aug 17, 2017
- CRRC QINGDAO SIFANG CO., LTD.
- Yundong HAN
- G01 - MEASURING TESTING