Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–20 of 20 inventors

Rank Inventor Primary Company Patents
1 Jack R. Reese Covestro 38
2 Elgin E. Eissler Ii-Vi Delaware 28
3 Peter N. Francino Emerson Process Management Power & Water Solutions 16
#4 Jonathan Paul McCaslin Koniniklijke Philips N.V. 7
#5 Richard J. Hartman Chaparral Steel 5
#5 John Walter Paragon Trade Brands 5
#7 David F. Rouda Mine Safety Appliances Company 3
#7 Richard Spotts Billco Manufacturing Incorporated 3
#7 John R. RONEY Appalachian Lighting Systems 3
#7 Robert Freyvogel Blount 3
#7 Nicholas Connor ExxonMobil 3
#12 Nicole Ritzert Ada Foundation 2
#12 Charles S. Melnick 2
#12 Thomas G. Lavoie 2
#15 Jack L. Bicehouse Mine Safety Appliances Company 1
#15 Tyler Spagnolo JPMorgan Chase 1
#15 Michael G. Zilka 1
#15 Karen L. Panian Eaton 1
#15 David Earl Schwab 1
#15 Charles B. Vogus J-Lok 1

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