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Forward Citations = 5

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28 inventors (with patents filed for the assignee):

Zhimin Hou (7 out of 7 patents)

Shunqu Hu (5 out of 5 patents)

Zhenwei Gan (4 out of 6 patents)

4. Bin Qi (4 out of 4 patents)

5. Tao Liu (4 out of 12 patents)

6. Chen Chen (4 out of 8 patents)

7. Wei Lei (3 out of 16 patents)

8. Zhi Xie (3 out of 3 patents)

9. Yijun Zhou (3 out of 3 patents)

10. Yongmao Lin (3 out of 3 patents)

11. Wei Zhao (3 out of 7 patents)

12. Dan Hu (3 out of 3 patents)

13. Wenfeng Pang (2 out of 2 patents)

14. Wenjiang Teng (2 out of 2 patents)

15. Jingyu Cui (2 out of 2 patents)

7 patents: Sort by Forward Citations

1. 12486753 - Wellbore staged operation method and rubber plug for said method (2025-12-02),

2. 12215580 - Differential pressure sliding sleeve, and oil and gas well fracturing construction method using same (2025-02-04),

3. 11933138 - Sliding sleeve device (2024-03-19),

4. 11885201 - Sliding sleeve (2024-01-30),

5. 11248444 - Tool for opening sliding sleeve (2022-02-15),

6. 11236590 - Device for jet packing and fracturing and tubular column comprising same (2022-02-01),

7. 11142989 - Tool for jet packing and fracturing and tubular column comprising same (2021-10-12),

Sinopec Southwest Oil & Gas Company is a subsidiary of China Petroleum & Chemical Corporation (Sinopec), one of the largest oil and gas companies in China. The company engages in exploration, development, production, and sales of oil and gas, as well as petrochemical products. Sinopec Southwest Oil & Gas Company is committed to sustainable development and corporate governance.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Jan 6 2026

7 Patents

#29 in Chengdu

#3,448 in China

Chengdu, China

Sinopec Southwest Oil & Gas Company