Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Jay D. Furnish National-Oilwell 1
1 James Cirone National-Oilwell 1
1 Blaine A. Allen National Oilwell Varco 1
1 Michael R. Zemanek National-Oilwell 1

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