Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

St. Charles, IL ranks #2,636 worldwide for total patents filed all time, with 1,170 patents from 142 inventors. Leading employers of inventors based in St. Charles, IL include Life Spine, Sonos, Motorola Mobility. That works out to 35.4 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 142 inventors

Rank Inventor Primary Company Patents
1 Michael S. Butler Life Spine 116
2 Mark Triplett Sonos 85
3 Thomas Merrell Motorola Mobility 68
#4 John R. Blake Cummins-Allison 57
#5 Brent Lindberg Tropicana Products 52
#6 Andrew Chu Entigenlogic 50
#7 Patrick J. Clarke Schumacher Electric 38
#8 Robert J. Adams Lear 37
#9 Madeline Wolters Life Spine 36
#9 Brian Todd Reese Transform Sr Brands 36
#11 Benjamin J. Brown Teradyne 31
#12 Robert Edward Aldaz Advantest 30
#13 Richard Mueller Nuvasive 28
#13 Doug Anderson Cypress Semiconductor 28
#15 James D. Walters Peerless Industries 23
#16 Dana R. Hanson Processing Technologies International 19
#16 Laura E. Rice Nalco Company 19
#18 Anthony Tassone Green Key Technologies 18
#18 Stephen Aris International Truck Intellectual Property Company 18
#20 Marko Spiegel Molex 16
#21 David E. Urbasic Isco International 14
#22 William Christopher Lewis Advanced Flexible Composites 13
#22 Steve Aris International Truck Intellectual Property Company 13
#24 Richard G. Ingram Caterpillar 12
#25 Edward S. Szpara Gambro Lundia Ab 11
#25 Kenneth F. Schoening A-1 Packaging Solutions 11
#27 Andrew Park Ocient Holdings 9
#27 Donald R. Peterson Ceelox 9
#27 David J. Womac IBM 9
#27 Christopher Derek Thornton Hamilton Sundstrand 9
#31 Thomas E. DeSalvo Sears Brands, L.L.C. 8
#31 Mark W. Sprenger 8
#31 Benjamin Petro Cabot Microelectronics 8
#34 John Joseph Schrepferman Cnh Industrial America 7
#34 Edward J. Kurtz Honeywell 7
#36 Craig Bixler Edwards Systems Technology 6
#36 Paul Michael Wempe AT&T 6
#36 Ralph G. Nedbal Illinois Tool Works 6
#36 James Edward Losser Fellowes 6
#36 Stephen B. Ashton Nalco Company 6
#41 Brian Timothy Pohrte Tate & Lyle Ingredients Americas 5
#41 Zia Karim Honeywell 5
#41 Balaji Santhanam Aclara Technologies 5
#41 Samuel Alden Ridenour Alarm.Com Incorporated 5
#41 Natalie Filipski Hamilton Sundstrand 5
#46 Vanina Delobelle Chateau-Artaud Transform Sr Brands 4
#46 Simon Kudernatsch 4
#46 Tina Nataniel Henkel Limited 4
#46 Steven Cihlar Copeland Industrial Lp 4
#46 Adam Harold Wohld Cellco Partnership 4

Part of Illinois