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Qingdao, Shandong, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Gearbox for rail vehicle, bogie for rail vehicle and rail vehicle
Patent number
12,168,465
Issue date
Dec 17, 2024
CRRC QINGDAO SIFANG CO., LTD.
Shuliang Song
B61 - RAILWAYS
Information
Patent Grant
Central traction device for straddling monorail train
Patent number
10,507,847
Issue date
Dec 17, 2019
CRRC QINGDAO SIFANG CO., LTD.
Jinming Zhou
B61 - RAILWAYS
Patents Applications
last 30 patents
Information
Patent Application
GEARBOX FOR RAIL VEHICLE, BOGIE FOR RAIL VEHICLE AND RAIL VEHICLE
Publication number
20220212697
Publication date
Jul 7, 2022
CRRC QINGDAO SIFANG CO., LTD.
Shuliang SONG
B61 - RAILWAYS
Information
Patent Application
CENTRAL TRACTION DEVICE FOR STRADDLING MONORAIL TRAIN
Publication number
20180345996
Publication date
Dec 6, 2018
CRRC QINGDAO SIFANG CO., LTD.
Jinming ZHOU
B61 - RAILWAYS