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No.1 Exploration Brigade of Shandong Coal Geology Bureau

USPTO Granted Patents = 1

Forward Citations = 0

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6 inventors (with patents filed for the assignee):

Bin Zhang (1 out of 5 patents)

Xianmin Zhang (1 out of 11 patents)

Qihong Feng (1 out of 4 patents)

4. Changlong Zhang (1 out of 1 patent)

5. Baiyanyue Chen (1 out of 1 patent)

6. Zhuangzhuang Zheng (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. 12449339 - Device and method for testing gas loss amount which simulates wireline coring process (2025-10-21),

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USPTO Data Jan 1 1976 - Dec 30 2025

1 Patents

#153 in Qingdao

#16,126 in China

No.1 Exploration Brigade of Shandong Coal Geology Bureau

Forward Citations = 0

6 inventors:

Bin Zhang (1 out of 5 patents)

Xianmin Zhang (1 out of 11 patents)

Qihong Feng (1 out of 4 patents)

4. Changlong Zhang (1 out of 1 patent)

5. Baiyanyue Chen (1 out of 1 patent)

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