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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JC

John E. Campbell — 1 Patent in 2021

WSWellbore Integrity Solutions: 1 patents #4 of 13Top 35%
Houston, TX: #813 of 2,552 inventorsTop 35%
Texas: #5,748 of 16,780 inventorsTop 35%
Overall (2021): #401,175 of 548,734Top 75%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11002082 Millable bit to whipstock connector Shantanu N. Swadi, Charles H. Dewey, Tuan Nguyen, Shelton W. Alsup 2021-05-11