Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Washington, MO ranks #6,746 worldwide for total patents filed all time, with 357 patents from 111 inventors. Leading employers of inventors based in Washington, MO include Covidien Lp, Hussmann, Magnet Consulting. That works out to 24.6 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 111 inventors

Rank Inventor Primary Company Patents
1 Ricky A. Sisk Covidien Lp 31
2 Ted W. Sunderland Hussmann 23
3 Robert B. Martin Magnet Consulting 22
#4 Jill A. Davidson Purina Animal Nutrition 13
#5 Vernon Spaunhorst 12
#5 Ronald E. Chasteen Infection Research Specialists 12
#7 Sean O. Harnett Mks Instruments 11
#8 Richard J. Steckel The Boeing 9
#9 Samuel F. Lamke Hkd Global Limited 8
#9 Brian R. Stork Stork Fabricators 8
#11 Thomas Romer Heckler & Koch Gmbh 7
#12 Isidore I. Lamke 6
#12 Gerard M. Hellebusch Efficient Manufacturing Systems 6
#12 Todd Francis Lottmann Cooper Technologies 6
#12 Ronald F. Monzyk Magnet Consulting 6
#12 Dave L. Graves Efficient Manufacturing Systems 6
#12 Eric R. Coyle Parker-Hannifin 6
#18 Charles Michael McFatrich Newleaf Symbiotics 5
#18 Lincoln J. Dreher Hansen 5
#18 Craig P. Kubiak Noa Medical Industries 5
#21 Michael W. Megown Noa Medical Industries 4
#21 Brian Robert Ley Ace Manufacturing And Parts 4
#21 Paul F. Dobson Lsc Communications Us 4
#21 Michael B. McDermott Seco Products 4
#25 Matthew Thomas Dowil Cooper Technologies 3
#25 Timothy M. Roewe Dac Group (Holdings) Limited 3
#25 Dean Maune United Industries 3
#25 John C. Rhodes 3
#25 Michael Maune 3
#25 Marc Thurston AT&T 3
#25 JAMES MICHAEL ACHENBACH Magnet Consulting 3
#25 Ron Hartge Noa Medical Industries 3
#25 Greg Reeves Durakon Industries 3
#34 William Krone 2
#34 William Ross North Mark Andy 2
#34 Darryl Haddox Magnet Consulting 2
#34 Keith G. Kastendieck No-Burn Investments, L.L.C. 2
#34 Tavis Aholt Monsanto Technology 2
#34 Craig Kissel 2
#34 Lloyd P. Duncan 2
#34 Niles F. Maurer 2
#34 Daniel J. Franssen 2
#34 Mehdi Ferdowsi Curators Of The University Of Missouri 2
#34 James Gordon Mace 2
#34 Carol Marquart Parker-Hannifin 2
#34 Ralph D. Czeschin The Boeing 2
#34 Zach Scheidegger 2
#34 Isadore I. Lamke 2
#34 Frank Völker Clyde Bergemann 2
#34 Bryan Scott Bogue 2

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