Yangyang YU

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Qingdao, Shandong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Collision energy absorption structure and rail vehicle having same
- Patent number 11,186,300
- Issue date Nov 30, 2021
- CRRC QINGDAO SIFANG CO., LTD.
- Haiyang Yu
- B61 - RAILWAYS
Information Patent Grant
Coupling assembly and rail vehicle having same
- Patent number 10,518,789
- Issue date Dec 31, 2019
- CRRC QINGDAO SIFANG CO., LTD.
- Shizhong Zhao
- B61 - RAILWAYS
Information Patent Grant
Railway vehicle and head vehicle barrier-removing device thereof
- Patent number 9,889,864
- Issue date Feb 13, 2018
- CRRC QINGDAO SIFANG CO., LTD.
- Yangyang Yu
- B61 - RAILWAYS

Patents Applicationslast 30 patents

Information Patent Application
Collision energy absorption structure and rail vehicle having same
- Publication number 20210221413
- Publication date Jul 22, 2021
- CRRC QINGDAO SIFANG CO., LTD.
- Haiyang YU
- B61 - RAILWAYS
Information Patent Application
COUPLING ASSEMBLY AND RAIL VEHICLE HAVING SAME
- Publication number 20190329800
- Publication date Oct 31, 2019
- CRRC QINGDAO SIFANG CO., LTD.
- Shizhong ZHAO
- B61 - RAILWAYS
Information Patent Application
RAILWAY VEHICLE AND HEAD VEHICLE BARRIER-REMOVING DEVICE THEREOF
- Publication number 20170174233
- Publication date Jun 22, 2017
- CRRC QINGDAO SIFANG CO., LTD.
- Yangyang YU
- B61 - RAILWAYS