For the Inventor, By the Inventor

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Dongying City, Shandong, China

Sinopec Shengli Petroleum Engineering Co., Ltd

USPTO Granted Patents = 6

Forward Citations = 0

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65 inventors (with patents filed for the assignee):

Kai Gao (2 out of 6 patents)

Hui Zhang (2 out of 9 patents)

Yong Chen (2 out of 3 patents)

4. Zhonghua Wu (2 out of 2 patents)

5. Wenbo Li (1 out of 164 patents)

6. Hui Li (1 out of 3 patents)

7. Rui Zhang (1 out of 2 patents)

8. Feng Liu (1 out of 2 patents)

9. Bingxiang Sun (1 out of 1 patent)

10. Xizhou Wang (1 out of 1 patent)

11. Ke Li (1 out of 6 patents)

12. Chuanwei Zhao (1 out of 1 patent)

13. Zhonghua Wu (1 out of 1 patent)

14. Honglin Tang (1 out of 1 patent)

15. Bo Kang (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 12516581 - Coring tool, coring method, and application thereof (2026-01-06),

2. 12480372 - Positioning and orientating apparatus for branch well, and positioning and orientating method (2025-11-25),

3. 12291668 - Coated rubber particle, its preparation and application thereof (2025-05-06),

4. 12252986 - Steerable drilling device (2025-03-18),

5. 12049792 - Double-channel fluid injection apparatus (2024-07-30),

6. 11946334 - Flow splitting device for gas reverse circulation drilling (2024-04-02),

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USPTO Data Jan 1 1976 - Jan 6 2026

6 Patents

#1 in Dongying City, Shandong

#3,927 in China

Dongying City, Shandong, China

Sinopec Shengli Petroleum Engineering Co., Ltd

Forward Citations = 0

65 inventors:

Kai Gao (2 out of 6 patents)

Hui Zhang (2 out of 9 patents)

Yong Chen (2 out of 3 patents)

4. Zhonghua Wu (2 out of 2 patents)

5. Wenbo Li (1 out of 164 patents)

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