Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–7 of 7 inventors

Rank Inventor Primary Company Patents
1 Kerry Phillips Rehco 3
1 Michael J. Spangler Amoco 3
3 James A. Olthoff Caterpillar 1
3 John A. DeWalt Kraft Foods Holdings 1
3 James J. Diver Velten & Pulver 1
3 Victor Joyner 1
3 Leonard G. Marianowski Institute Of Gas Technology 1

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