Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

O'Fallon, IL ranks #6,811 worldwide for total patents filed all time, with 352 patents from 95 inventors. Leading employers of inventors based in O'Fallon, IL include Bobrick Washroom Equipment, Motorola, Roho. That works out to 10.9 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 95 inventors

Rank Inventor Primary Company Patents
1 David M. Hines Bobrick Washroom Equipment 42
2 Michael J. Thompson Motorola 26
3 Anthony Eric Sprouse, II Roho 18
#4 Donald V. Drouin, Jr. The Boeing 13
#5 Bob J. Dull Dole Fresh Vegetables 12
#6 Thomas G. Lewis Covidien Lp 11
#6 William S. Lee Nortel Networks Limited 11
#6 William C. Jones Mastercard 11
#9 Michael L. Largent Nidec Motor 10
#10 William Clayton Children'S Medical Center 8
#10 Ross Peyton Permobil 8
#10 Mark E. Zupec G.D. Searle 8
#10 Richard Armstrong Drs Power Technology 8
#10 Steven Gunther The Boeing 8
#15 Gordon R. Stone Sun Chemical 6
#16 Steven Norbury 5
#16 Curtiss R. Biehn Mississippi Lime 5
#16 David Petry Eaton Intelligent Power Limited 5
#19 Rory T. Sledge Koplar Interactive Systems International 4
#19 Jeffrey Michael Niemeyer AT&T 4
#19 Christopher Dyson White 4
#19 Brad L. Gower Specgx 4
#19 Murugasan Manikam Achari Spansion Llc. 4
#19 Grant Appel US Air Force 4
#19 Scott A. Iler 4
#19 John Finley Unknown 4
#27 Gregory J. Allen Unknown 3
#27 Zachary Bridgeman Cablofil 3
#27 James M. Gibbar 3
#27 Dana Askew-Harris Danaher 3
#27 Kenneth M. De Luca Emerson Electric 3
#27 John F. Bossler Arrowhead Industrial Water 3
#27 Curtis Biehn Mississippi Lime 3
#27 Thomas P. Kasten Pharmacia 3
#27 Paul R. Obernuefemann 3
#27 Gerardo Mijares Saenz Bank of America 3
#37 Nantana Jiratumnukul Curators Of The University Of Missouri 2
#37 Casey Backes 2
#37 Joe Ralph Behnken 2
#37 Marco F. Ziniti 2
#37 Patricia R. Moore 2
#37 Stephen James Dow Corning 2
#37 John William Vandervoort Express Scripts Strategic Development 2
#37 Richard David Spencer 2
#37 Gary Erb 2
#37 M. Bruce Bader Havco Wood Products 2
#37 Jack C. Murley 2
#37 Randy M. Marling Fredman Bros. Furniture Company 2
#37 Dustin Mitchell THEIS Monsanto Technology 2
#37 Keely Renwick Blueowl 2

Part of Illinois