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Patents Grants
last 30 patents
Information
Patent Grant
Movable side wall and opening/closing mechanism for railroad boxcars
Patent number
10,906,562
Issue date
Feb 2, 2021
CRRC YANGTZE CO., LTD.
Donghua Xu
B61 - RAILWAYS
Information
Patent Grant
Connecting rod type two-level locking device, hopper car bottom doo...
Patent number
10,640,133
Issue date
May 5, 2020
CRRC Yangtze Corporation Limited
Chunjiang Shi
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Two-stage stiffness type elastomer combined device
Patent number
10,161,468
Issue date
Dec 25, 2018
CRRC Yangtze Corporation Limited
Zhixiong Yan
B61 - RAILWAYS
Information
Patent Grant
Sidewall structure of hopper car
Patent number
10,053,118
Issue date
Aug 21, 2018
CRRC Yangtze Corporation Limited
Biaowen Xiang
B61 - RAILWAYS
Information
Patent Grant
Variable stiffness positioning device for railway vehicle bogie axl...
Patent number
9,919,718
Issue date
Mar 20, 2018
CRRC Yangtze Corporation Limited
Zhixiong Yan
B61 - RAILWAYS
Information
Patent Grant
Two-level locking device, hopper car bottom door and hopper car
Patent number
9,789,883
Issue date
Oct 17, 2017
CRRC Yangtze Corporation Limited
Chunjiang Shi
B61 - RAILWAYS
Patents Applications
last 30 patents
Information
Patent Application
MOVABLE SIDE WALL AND OPENING/CLOSING MECHANISM FOR RAILROAD BOXCARS
Publication number
20180257673
Publication date
Sep 13, 2018
CSR YANGZE CO., LTD.
Donghua XU
B61 - RAILWAYS
Information
Patent Application
CONNECTING ROD TYPE TWO-LEVEL LOCKING DEVICE, HOPPER CAR BOTTOM DOO...
Publication number
20180072333
Publication date
Mar 15, 2018
CSR YANGZE CO., LTD.
Chunjiang SHI
B61 - RAILWAYS
Information
Patent Application
Two-Stage Stiffness Type Elastomer Combined Device
Publication number
20160146284
Publication date
May 26, 2016
CSR YANGTYZE CO., LTD.
Zhixiong Yan
B61 - RAILWAYS
Information
Patent Application
Connecting Rod Type Two-Level Locking Device, Hopper Car Bottom Doo...
Publication number
20160031454
Publication date
Feb 4, 2016
Chunjiang SHI
B61 - RAILWAYS
Information
Patent Application
SIDEWALL STRUCTURE OF HOPPER CAR
Publication number
20150360703
Publication date
Dec 17, 2015
CSR YANGZE CO., LTD.
Biaowen XIANG
B61 - RAILWAYS
Information
Patent Application
Two-Level Locking Device, Hopper Car Bottom Door and Hopper Car
Publication number
20150353102
Publication date
Dec 10, 2015
CSR YANGZE CO., LTD.
Chunjiang SHI
B61 - RAILWAYS