EPO Patents = 1

Forward Citations = 1

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40 inventors (with patents filed for the assignee):

Wenliang Liu (5 out of 6 patents)

Fengwei Liu (4 out of 7 patents)

Ruijin Jiang (4 out of 5 patents)

4. Tiejun Fu (4 out of 4 patents)

5. Liangcai Lin (3 out of 6 patents)

6. Chunjiang Shi (3 out of 3 patents)

7. Hong Cui (2 out of 3 patents)

8. Chuqiang Tang (2 out of 6 patents)

9. Baolei Wang (2 out of 8 patents)

10. Qiangjun Jiang (2 out of 3 patents)

11. Mingdao Sun (2 out of 5 patents)

12. Zhixiong Yan (2 out of 2 patents)

13. Liangwei Zhang (2 out of 2 patents)

14. Zhaojun Dan (2 out of 2 patents)

15. Biaowen Xiang (1 out of 2 patents)

5 patents: Sort by Forward Citations

1. 10640133 - Connecting rod type two-level locking device, hopper car bottom door and hopper car (2020-05-05),

2. 10161468 - Two-stage stiffness type elastomer combined device (2018-12-25),

3. 10053118 - Sidewall structure of hopper car (2018-08-21),

4. 9919718 - Variable stiffness positioning device for railway vehicle bogie axle box (2018-03-20),

5. 9789883 - Two-level locking device, hopper car bottom door and hopper car (2017-10-17),

Company Overview

CRRC Yangtze Co., Ltd. is a subsidiary of CRRC Corporation Limited, specializing in the research, development, production, and sales of rail transit equipment and engineering machinery. Their products include locomotives, passenger cars, freight cars, subway cars, light rail vehicles, and more.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

5 Patents

#67 in Wuhan

#5,271 in China

Wuhan, China

Crrc Yangtze Corporation Limited

Forward Citations = 1

40 inventors:

Wenliang Liu (5 out of 6 patents)

Fengwei Liu (4 out of 7 patents)

Ruijin Jiang (4 out of 5 patents)

4. Tiejun Fu (4 out of 4 patents)

5. Liangcai Lin (3 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Crrc Yangtze Corporation Limited. Retrieved from https://idiyas.com/company/crrc-yangtze

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

1 patent (EPO):

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]