Shizhong ZHAO

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Qingdao, Shandong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Energy-absorbing anti-creeper and train vehicle with energy-absorbi...
- Patent number 11,447,161
- Issue date Sep 20, 2022
- CRRC Qingdao Sifang Co., Ltd.
- Sansan Ding
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Energy absorption device and rail vehicle having same
- Patent number 11,021,176
- Issue date Jun 1, 2021
- CRRC Qingdao Sifang Co., Ltd.
- Aiqin Tian
- B60 - VEHICLES IN GENERAL
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
Energy-Absorbing Anti-Creeper and Train Vehicle with Energy-Absorbi...
- Publication number 20200130715
- Publication date Apr 30, 2020
- CRRC QINGDAO SIFANG CO., LTD.
- Sansan DING
- 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
ENERGY ABSORPTION DEVICE AND RAIL VEHICLE HAVING SAME
- Publication number 20190039631
- Publication date Feb 7, 2019
- CRRC QINGDAO SIFANG CO., LTD.
- Aiqin TIAN
- 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