Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Elburn, IL ranks #4,126 worldwide for total patents filed all time, with 687 patents from 121 inventors. Leading employers of inventors based in Elburn, IL include Masonite, Suncast Technologies, Illinois Tool Works. That works out to 111.3 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 121 inventors

Rank Inventor Primary Company Patents
1 Robert C. Allen Masonite 125
2 Robert G. Kopp Suncast Technologies 86
3 Cheryl L. Panasik Illinois Tool Works 41
#4 Mary Jane Hibben Swimc 39
#5 Clifton R. Howell Illinois Tool Works 19
#6 David Matthew Roenspies Progress Rail Locomotive 17
#7 John T. Anderson 16
#8 Stephen J. Hinterlong AT&T 13
#8 Mark Michelson Rockwell Electronic Commerce Technologies 13
#10 Robert Kephart Fermi Research Alliance 12
#11 Daniel C. Hawkinson Honeywell 11
#12 William Mark Batts Inventus Power 10
#12 Alan Blowers Ball Horticultural 10
#14 Frank J. Pellegrini Touchtunes Music Company 9
#14 James S. Peterson AT&T 9
#16 Robert M. Sobel Hairmarker 8
#16 Lawrence Restaino Biosynth Ag 8
#16 Harold O. Schwartz The Wurlitzer 8
#19 Jeffrey Arthur Zahnle AT&T 7
#19 William A. Joseph, Jr. National Controls 7
#19 Daniel Namie Fellowes 7
#19 Jeffrey Allen Apgar Nokia 7
#23 Mark A. Hentschel Robertshaw Controls 6
#24 Mark Kruger Access Systems Americas 5
#24 Steven P. Porter Ciena 5
#24 Jeff Sherrel Norgren Limited 5
#24 Gerald D. Anderson Meritor Heavy Vehicle Systems Limited 5
#24 Dennis Walstad Furnas Electric 5
#29 Michael Bean Molex 4
#29 David Farnia Burgess • Norton Mfg. Co. 4
#29 Christopher L. Haase Mitek Holdings 4
#29 John R. St. Peter Motorola Mobility 4
#29 Gene S. Anderson 4
#29 Patrick D. Wade Cisco 4
#29 William J. Proetta AT&T 4
#29 Robert B. Porter Numat Technologies 4
#29 Jay Martin Altec Industries 4
#38 Richard C. Fausey Osi Industries 3
#38 Ronald V. Gillis 3
#38 Mark Allen Weldon Masonite 3
#38 Anthony W. Beyer Tekpak 3
#38 Douglas Lindstrand 3
#38 John C. Eckstrom Bp Corporation North America 3
#38 J. Mark Crump Siemens Industry 3
#38 Quentin Lewis Hibben Simpson Strong-Tie Company 3
#38 John C. Justice 3
#38 Daniel Ott Dial Tool Industries 3
#38 Peter Gene Jansons Jio 3
#38 Richard D. Hance Dynawave 3
#38 Dale G. Pillsbury Amoco 3

Part of Illinois