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Tangshan, China

Crrc Tangshan Co., Ltd.

USPTO Granted Patents = 24

CIPO Patents = 3

EPO Patents = 25

Forward Citations = 6

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188 inventors (with patents filed for the assignee):

Zhonghua Liu (4 out of 4 patents)

Xiaojun Zhang (4 out of 4 patents)

Lixin Zhang (3 out of 3 patents)

4. Shan Gao (3 out of 3 patents)

5. Yanhong Chen (3 out of 3 patents)

6. Wenhao Hu (3 out of 3 patents)

7. Jiaying Qin (3 out of 3 patents)

8. Liwei Shen (2 out of 2 patents)

9. Guoyan Gao (2 out of 2 patents)

10. Chengwei Qin (2 out of 2 patents)

11. Jianquan Liang (2 out of 2 patents)

12. Xinyong Zhang (2 out of 2 patents)

13. Lei Chen (2 out of 2 patents)

14. Junfeng Wang (2 out of 2 patents)

15. Lijun Zhang (2 out of 2 patents)

24 patents: Sort by Forward Citations

1. 12384344 - Pressure control method and pressure control device for braking cylinder of rail vehicle, and rail vehicle (2025-08-12),

2. 12233921 - Rail train (2025-02-25),

3. 12172680 - Maglev vehicle and suspension frame assembly thereof (2024-12-24),

4. 12157505 - Sidewall window structure module of train, and train (2024-12-03),

5. 12129603 - Ground rail transfer device and gauge changing system (2024-10-29),

6. 12080999 - Railway vehicle and storage battery circuit breaker box thereof (2024-09-03),

7. 12012129 - Method for train suspension control by means of multiple air springs, system for train suspension control by means of multiple air springs, and train (2024-06-18),

8. 11932288 - Double-deck rail vehicle and vehicle body thereof (2024-03-19),

9. 11590991 - Bogie and rail vehicle (2023-02-28),

10. 11535104 - Train and train power supply control method (2022-12-27),

11. 11511780 - Carriage, head carriage, middle carriage, and train (2022-11-29),

12. 11511712 - Train compartment brake control method, train compartment, and train (2022-11-29),

13. 11465510 - Magnetic suspension bogie and train (2022-10-11),

14. 11420602 - Rail train brake control system and train (2022-08-23),

15. 11352080 - System and method for assembling double-deck vehicle body (2022-06-07),

CRRC Tangshan Co., Ltd. is a subsidiary company of CRRC Corporation Limited, which specializes in the design, manufacture, and distribution of railway transportation equipment. With a focus on high-speed trains, urban rail vehicles, and heavy haul transportation equipment, CRRC Tangshan has become one of the leading manufacturers in the railway industry. Committed to technological innovation and sustainable development, the company employs advanced production techniques to deliver reliable and efficient products. CRRC Tangshan contributes to the global railway transportation sector by providing high-quality solutions for both domestic and international markets.

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Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

24 Patents

#1 in Tangshan

#1,111 in China

#25,825 in the World

Tangshan, China

Crrc Tangshan Co., Ltd.

Forward Citations = 6

188 inventors:

Zhonghua Liu (4 out of 4 patents)

Xiaojun Zhang (4 out of 4 patents)

Lixin Zhang (3 out of 3 patents)

4. Shan Gao (3 out of 3 patents)

5. Yanhong Chen (3 out of 3 patents)

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