Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Wentzville, MO ranks #3,950 worldwide for total patents filed all time, with 730 patents from 169 inventors. Leading employers of inventors based in Wentzville, MO include Hunter Engineering, Covidien Lp, Pfizer. That works out to 16.4 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 169 inventors

Rank Inventor Primary Company Patents
1 Michael T. Stieff Hunter Engineering 61
2 James M. Harr Covidien Lp 50
3 Joseph Walter Strohbach Pfizer 37
#4 Charles E. Hall Buddeez 32
#5 James Scott General Surgical Innovations 21
#6 William Talion Edwards The Boeing 20
#7 Roland R. Vandamme Memc Electronic Materials 19
#8 Jacob J. Reinhardt Express Scripts Strategic Development 18
#9 Jason Cerrano Hale Products 17
#10 Scott O. Slates Toxonics Manufacturing 16
#11 John Robert Springer Aclaris Therapeutics 13
#12 Steven J. Schmidt Mastercard 12
#13 Justin Scott Kayser Globalwafers Co. 10
#13 Robert D. Sammons Monsanto Technology 10
#13 Dale A. Witte Memc Electronic Materials 10
#16 Matthew K. Fay The Boeing 9
#16 Richard Zane DeLoach Renu 9
#16 Michael R. Mahoney Mallinckrodt 9
#16 Kyle Costa Ina Acquisition 9
#20 Jodi Lynn Beattie Monsanto Technology 8
#20 Marvin J. Meyers Saint Louis University 8
#20 Brian David Peterson Biomerieux 8
#20 Michael S. Ameiss Mastercard 8
#20 Alberto Martinez, Jr. Caterpillar 8
#25 Kenneth L. Ferreira Monsanto Technology 7
#25 David J. Burkhart Engineered Corrosion Solutions 7
#25 Matthew Malabey Ortho Solutions, Lc 7
#28 James W. Brown, JR. AT&T 6
#28 Amy C. Milam Mastercard 6
#28 Robert H. Unnerstall, Jr. Lift2Sell 6
#28 Barbara B. Heidolph 6
#32 Talion Edwards The Boeing 5
#32 Christopher Lutz Emerson Electric 5
#32 Amber Martin United Industries 5
#32 Eugene R. Hollander Memc Electronic Materials 5
#36 Bruce Harshman The Boeing 4
#36 Robert W. Reinkemeyer Cambridge Engineering 4
#36 Robert J. Bossomo 4
#36 Daniel Park The Boeing 4
#36 Tyler Koger 4
#36 Robert E. Wehrheim Nidec Motor 4
#36 Kirk D. McCallum Memc Electronic Materials 4
#36 Eric Trent Robins Mastercard 4
#36 Randy Scism 4
#36 Sean Smith Federal-Mogul Motorparts 4
#36 Derek Ostler 4
#36 Daniel Pestka True Manufacturing Co. 4
#36 Joshua Clay Arnone Unknown 4
#36 Jordan D. Stander 4
#36 Joseph R. Walsh Delphi Technologies 4

Part of Missouri