Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Centralia, IL ranks #17,709 worldwide for total patents filed all time, with 81 patents from 27 inventors. Leading employers of inventors based in Centralia, IL include Lexmark International, Littelfuse, Big 3 Precision Products. That works out to 6.7 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–27 of 27 inventors

Rank Inventor Primary Company Patents
1 Curtis Ray Droege Lexmark International 22
2 Daniel B. Onken Littelfuse 7
3 Joe Biagi Big 3 Precision Products 6
3 Daniel R. Dobbs Sundstrand 6
#5 Guy H. Henry, III 5
#6 Ronald D. Fisher 3
#6 Joel Kwan Barrientos Unknown 3
#6 Ralph Bullock Unknown 3
#6 John C. Prior 3
#6 Larry D. Greene Acco Industries 3
#11 George C. Lackey 2
#11 Dale Hartnell 2
#11 Arthur E. Neumann 2
#14 Deanna R. Meredith 1
#14 Larry J. Brashear Littelfuse 1
#14 Bertis N. Kingsley 1
#14 Tony Sloat 1
#14 Henning R Matz, IV 1
#14 Curt Swartzlander 1
#14 Firooz B. Eslaminovin 1
#14 Willis Phillips 1
#14 Stanley Holtkamp 1
#14 Larry F. Dugan 1
#14 James E. Folkerts Joy Global Underground Mining 1
#14 Joseph Phoenix Unknown 1
#14 Orland E. Skibinski 1
#14 Belva L. Walsh 1

Part of Illinois