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Patents Grants
last 30 patents
Information
Patent Grant
Single-door control circuit for train
Patent number
12,151,717
Issue date
Nov 26, 2024
CRRC Nanjing Puzhen Co., Ltd.
Hong Zhao
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
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
Bus breaker control circuit for railway vehicle
Patent number
11,807,133
Issue date
Nov 7, 2023
CRRC Nanjing Puzhen Co., Ltd.
Li Yang
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Dual start control circuit for auxiliary inverters of railway vehicle
Patent number
11,770,077
Issue date
Sep 26, 2023
CRRC Nanjing Puzhen Co., Ltd.
Caixia Shi
H01 - BASIC ELECTRIC ELEMENTS
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
Single-door Control Circuit for Train
Publication number
20220325564
Publication date
Oct 13, 2022
CRRC Nanjing Puzhen Co., Ltd.
Hong ZHAO
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Application
Bus Breaker Control Circuit for Railway Vehicle
Publication number
20220324352
Publication date
Oct 13, 2022
CRRC Nanjing Puzhen Co., Ltd.
Li YANG
B60 - VEHICLES IN GENERAL
Information
Patent Application
Dual Start Control Circuit for Auxiliary Inverters of Railway Vehicle
Publication number
20220329175
Publication date
Oct 13, 2022
CRRC Nanjing Puzhen Co., Ltd.
Caixia SHI
H01 - BASIC ELECTRIC ELEMENTS
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