For the Inventor, By the Inventor

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Crrc Changzhou Tech-mark Industrial Co., Ltd.

USPTO Granted Patents = 2

Forward Citations = 0

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15 inventors (with patents filed for the assignee):

Qingbing Gou (2 out of 2 patents)

Hongwen Han (1 out of 1 patent)

Junhua Zhu (1 out of 1 patent)

4. Chunguang Bao (1 out of 1 patent)

5. Liqing Du (1 out of 1 patent)

6. Zhuomin Mei (1 out of 1 patent)

7. Anxu Wu (1 out of 1 patent)

8. Chang Feng (1 out of 1 patent)

9. Hao Xu (1 out of 2 patents)

10. Yuchen Zhang (1 out of 1 patent)

11. Xun Chen (1 out of 1 patent)

12. Zichen Wang (1 out of 1 patent)

13. Dongdong Wang (1 out of 1 patent)

14. Bo Wu (1 out of 1 patent)

15. Meng Wan (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 12454251 - End cover assembly, air cylinder, tread cleaner and railway vehicle (2025-10-28),

2. 11097709 - Brake cylinder, brake clamp unit and rail vehicle (2021-08-24),

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USPTO Data Jan 1 1976 - Dec 9 2025

2 Patents

#235 in Jiangsu

#9,949 in China

Crrc Changzhou Tech-mark Industrial Co., Ltd.

Forward Citations = 0

15 inventors:

Qingbing Gou (2 out of 2 patents)

Hongwen Han (1 out of 1 patent)

Junhua Zhu (1 out of 1 patent)

4. Chunguang Bao (1 out of 1 patent)

5. Liqing Du (1 out of 1 patent)

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