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Patents Grants
last 30 patents
Information
Patent Grant
Detection system for suspension system of maglev train
Patent number
12,163,863
Issue date
Dec 10, 2024
CRRC Qingdao Sifang Co., Ltd.
Donghua Wu
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Voltage control method and apparatus, system, and maglev train
Patent number
12,017,539
Issue date
Jun 25, 2024
CRRC Qingdao Sifang Co., Ltd.
Donghua Wu
B60 - VEHICLES IN GENERAL
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
Decoupling control system and method for harmonic current of salien...
Patent number
11,705,842
Issue date
Jul 18, 2023
TONJI UNIVERSITY
Jinsong Kang
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Method, system and device for controlling door of railway vehicle
Patent number
11,125,006
Issue date
Sep 21, 2021
CRRC Qingdao Sifang Co., Ltd.
Bo Chen
B61 - RAILWAYS
Information
Patent Grant
Electromagnetic transverse active damping system, and control metho...
Patent number
10,960,901
Issue date
Mar 30, 2021
CRRC Qingdao Sifang Co., Ltd.
Jianying Liang
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Motor train unit auxiliary power supply apparatus
Patent number
10,411,503
Issue date
Sep 10, 2019
CRRC QINGDAO SIFANG CO., LTD.
Jiansheng Zhou
B60 - VEHICLES IN GENERAL
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 Applications
last 30 patents
Information
Patent Application
POSITIONING SYSTEM AND METHOD FOR MAGLEV TRAIN
Publication number
20240416978
Publication date
Dec 19, 2024
CRRC QINGDAO SIFANG CO., LTD.
Xiankai LIU
B60 - VEHICLES IN GENERAL
Information
Patent Application
DETECTION SYSTEM FOR SUSPENSION SYSTEM OF MAGLEV TRAIN
Publication number
20240230475
Publication date
Jul 11, 2024
CRR QINGDAO SIFANG CO., LTD.
Donghua WU
B60 - VEHICLES IN GENERAL
Information
Patent Application
VOLTAGE CONTROL METHOD AND APPARATUS, SYSTEM, AND MAGLEV TRAIN
Publication number
20230382235
Publication date
Nov 30, 2023
CRRC QINGDAO SIFANG CO., LTD.
Donghua WU
B60 - VEHICLES IN GENERAL
Information
Patent Application
LINEAR MOTOR FOR MAGLEV TRAIN, AND MAGLEV TRAIN
Publication number
20220340178
Publication date
Oct 27, 2022
CRRC QINGDAO SIFANG CO., LTD.
Jianying LIANG
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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
DECOUPLING CONTROL SYSTEM AND METHOD FOR HARMONIC CURRENT OF SALIEN...
Publication number
20210408952
Publication date
Dec 30, 2021
Tongji University
Jinsong KANG
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
ELECTROMAGNETIC TRANSVERSE ACTIVE DAMPING SYSTEM, AND CONTROL METHO...
Publication number
20200377131
Publication date
Dec 3, 2020
CRRC QINGDAO SIFANG CO., LTD.
Jianying LIANG
B61 - RAILWAYS
Information
Patent Application
Method, Device and System for Controlling Fuel Cell and Rail Vehicle
Publication number
20190305348
Publication date
Oct 3, 2019
CRRC QINGDAO SIFANG CO., LTD.
Donghua WU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD, SYSTEM AND DEVICE FOR CONTROLLING DOOR OF RAILWAY VEHICLE
Publication number
20190024436
Publication date
Jan 24, 2019
CRRC QINGDAO SIFANG CO., LTD.
Bo Chen
B61 - RAILWAYS
Information
Patent Application
MOTOR TRAIN UNIT AUXILIARY POWER SUPPLY APPARATUS
Publication number
20190013695
Publication date
Jan 10, 2019
CRRC QINGDAO SIFANG CO., LTD.
Jiansheng ZHOU
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