Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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John Sobolewski — 1 Patent in 2021

Okotoks, CA: #6 of 13 inventorsTop 50%
Overall (2021): #391,999 of 548,734Top 75%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10947815 Tool assembly with collet and shiftable valve and process for directing fluid flow in a wellbore Jianjun Wang 2021-03-16