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Patents Grants
last 30 patents
Information
Patent Grant
Magnetic levitation test system and electromagnet test method
Patent number
11,982,589
Issue date
May 14, 2024
CRRC Qingdao Sifang Co., Ltd.
Fujie Jiang
B60 - VEHICLES IN GENERAL
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
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
Suspension frame assembly of magnetic levitation vehicle
Patent number
11,577,614
Issue date
Feb 14, 2023
CRRC Qingdao Sifang Co., Ltd.
Xiankai Liu
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Maglev train and moving part thereof
Patent number
11,554,675
Issue date
Jan 17, 2023
CRRC Qingdao Sifang Co., Ltd.
Sansan Ding
B60 - VEHICLES IN GENERAL
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
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND DEVICE FOR TESTING POSITIONING AND SPEED MEASURING SYSTE...
Publication number
20240061013
Publication date
Feb 22, 2024
CRRC QINGDAO SIFANG CO., LTD.
Fengchao WANG
G01 - MEASURING TESTING
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
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
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
MAGNETIC LEVITATION TEST SYSTEM AND ELECTROMAGNET TEST METHOD
Publication number
20210348984
Publication date
Nov 11, 2021
CRRC QINGDAO SIFANG CO., LTD.
Fujie JIANG
B60 - VEHICLES IN GENERAL
Information
Patent Application
METHOD AND SYSTEM FOR DETECTING HARMONIC CURRENT IN SYNCHRONOUS MOTORS
Publication number
20210223295
Publication date
Jul 22, 2021
Tongji University
Jinsong KANG
G01 - MEASURING TESTING
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
MAGLEV TRAIN AND MOVING PART THEREOF
Publication number
20200290463
Publication date
Sep 17, 2020
CRRC QINGDAO SIFANG CO., LTD.
Sansan DING
B60 - VEHICLES IN GENERAL
Information
Patent Application
SUSPENSION FRAME ASSEMBLY OF MAGNETIC LEVITATION VEHICLE
Publication number
20200254884
Publication date
Aug 13, 2020
CRRC QINGDAO SIFANG CO., LTD.
Xiankai LIU
B60 - VEHICLES IN GENERAL
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