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For the Inventor, By the Inventor

Shandong, China

China Railway 14th Bureau Group Co., Ltd.


USPTO Granted Patents = 2


Forward Citations = 0

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21 inventors (with patents filed for the assignee):

goldMedal Jian Chen (2 out of 5 patents)

silverMedal Chengzhen Wang (2 out of 3 patents)

bronzeMedal Shuchen Li (2 out of 2 patents)

4.  Hongjun Liu (1 out of 1 patent)

5.  Penglin Li (1 out of 1 patent)

6.  Bin Zhi (1 out of 1 patent)

7.  Feng Xue (1 out of 1 patent)

8.  Xiuting Su (1 out of 1 patent)

9.  Mingqing Xiao (1 out of 1 patent)

10.  Xiudong Li (1 out of 1 patent)

11.  Yankun Wu (1 out of 1 patent)

12.  Wenhao Sun (1 out of 1 patent)

13.  Haizhen Li (0 patent)

14.  Guodong Zhao (0 patent)

15.  Chengzhen Wagn (0 patent)


2 patents:

1. 11927098 - Method and apparatus for controlling stratum deformation in shield construction process, and non-volatile storage medium (2024-03-12),
2. 11905834 - Shield sealing device and shield sealing method (2024-02-20),
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USPTO Data Jan 1 1976 - Dec 2 2025

2 Patents

#87 in Shandong

#9,910 in China

...
Shandong, China

China Railway 14th Bureau Group Co., Ltd.

Forward Citations = 0

21 inventors:

goldMedal Jian Chen (2 out of 5 patents)

silverMedal Chengzhen Wang (2 out of 3 patents)

bronzeMedal Shuchen Li (2 out of 2 patents)

4.  Hongjun Liu (1 out of 1 patent)

5.  Penglin Li (1 out of 1 patent)

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