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Qingdao, Shandong, CN
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Patents Grants
last 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 Applications
last 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