For the Inventor, By the Inventor

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China Railway 18 Bureau Group Co., Ltd.

USPTO Granted Patents = 4

Forward Citations = 0

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9 inventors (with patents filed for the assignee):

Xiangping Zhang (3 out of 3 patents)

Xin Hui Zhang (3 out of 105 patents)

Jinshan Sun (2 out of 2 patents)

4. Jiashun Liu (1 out of 1 patent)

5. Baoxin Jia (1 out of 1 patent)

6. Jufa Xi (1 out of 1 patent)

7. Zhitao Zhao (1 out of 1 patent)

8. Daqi Hu (1 out of 1 patent)

9. Xin Zhang (1 out of 3 patents)

4 patents: Sort by Forward Citations

1. 12359567 - Blast hole arrangement structure used for blasting for rheological soft-weak surrounding rock tunnel and construction method for rheological soft-weak surrounding rock tunnel (2025-07-15),

2. 11988494 - Piston-type explosive loading and blasting structure and method for hard rock cable pit (2024-05-21),

3. 11686198 - Reinforcement system at railway tunnel section passing through karst cave with large dip angle and construction method (2023-06-27),

4. 11473262 - Bailey support system applied to cross protection of complex pipes and cables and construction method thereof (2022-10-18),

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USPTO Data Jan 1 1976 - Dec 9 2025

4 Patents

#66 in Tianjin

#5,549 in China

China Railway 18 Bureau Group Co., Ltd.

Forward Citations = 0

9 inventors:

Xiangping Zhang (3 out of 3 patents)

Xin Hui Zhang (3 out of 105 patents)

Jinshan Sun (2 out of 2 patents)

4. Jiashun Liu (1 out of 1 patent)

5. Baoxin Jia (1 out of 1 patent)

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