Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Fengping Yan

Yan'an, CN: #1 of 5 inventorsTop 20%
Overall (2024): #468,387 of 561,600Top 85%
1 Patents 2024

Issued Patents 2024

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11982166 System for segmented simultaneous water injection and oil recovery through double pipes in horizontal section Pingtian Fan, Yuetian LIU, Weichu Yu, Ping Li, Yongdong Wang +4 more 2024-05-14