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Powerchina Northwest Engineering Corporation Limited

USPTO Granted Patents = 4

Forward Citations = 0

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42 inventors (with patents filed for the assignee):

Heng Zhou (2 out of 3 patents)

Zufeng Li (2 out of 3 patents)

Haixing Shang (2 out of 2 patents)

4. Zhixuan Miao (2 out of 2 patents)

5. Shuwen Yang (2 out of 3 patents)

6. Zhao Zhang (1 out of 1 patent)

7. Wei Liu (1 out of 2 patents)

8. Zuyu Chen (1 out of 2 patents)

9. Shu Yu (1 out of 2 patents)

10. Fan Yue (1 out of 2 patents)

11. Guangjun Yi (1 out of 1 patent)

12. Ruixue Li (1 out of 1 patent)

13. Gangyi Zhao (1 out of 1 patent)

14. ShengXue Ke (1 out of 1 patent)

15. Qun Zhang (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 12404770 - Right-angle turning method for small-diameter TBM exploration adit excavation (2025-09-02),

2. 12379212 - Method and device for controlling engineering projection deformation (2025-08-05),

3. 12159385 - Method and system for monitoring and safety evaluation of dam body defect of check dam (2024-12-03),

4. 12025716 - GNSS emergency monitoring error suppression method for alpine canyon complex environment (2024-07-02),

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USPTO Data Jan 1 1976 - Dec 9 2025

4 Patents

#21 in Xi'an

#5,549 in China

Powerchina Northwest Engineering Corporation Limited

Forward Citations = 0

42 inventors:

Heng Zhou (2 out of 3 patents)

Zufeng Li (2 out of 3 patents)

Haixing Shang (2 out of 2 patents)

4. Zhixuan Miao (2 out of 2 patents)

5. Shuwen Yang (2 out of 3 patents)

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