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Aiping ZHANG
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Nanjing, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Emergency braking extension device for urban rail vehicle
Patent number
11,845,414
Issue date
Dec 19, 2023
CRRC Nanjing Puzhen Co., Ltd.
Chaofeng Ding
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Pantograph remote control circuit for unmanned metro train
Patent number
10,913,358
Issue date
Feb 9, 2021
CRRC Nanjing Puzhen Co., Ltd.
Qiaofeng Jiang
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
EMERGENCY BRAKING EXTENSION DEVICE FOR URBAN RAIL VEHICLE
Publication number
20230331211
Publication date
Oct 19, 2023
CRRC Nanjing Puzhen Co., Ltd.
Chaofeng DING
B60 - VEHICLES IN GENERAL
Information
Patent Application
Pantograph Remote Control Circuit for Unmanned Metro Train
Publication number
20200398673
Publication date
Dec 24, 2020
CRRC Nanjing Puzhen Co., Ltd.
Qiaofeng JIANG
B60 - VEHICLES IN GENERAL