Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Plainfield, IL ranks #1,474 worldwide for total patents filed all time, with 2,287 patents from 459 inventors. Leading employers of inventors based in Plainfield, IL include Cnh Industrial America, Rai Strategic Holdings, Arris Enterprises. That works out to 51.1 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 459 inventors

Rank Inventor Primary Company Patents
1 Dwayne St. George Jackson Cnh Industrial America 70
2 Steven Michael Schennum Rai Strategic Holdings 64
3 Faisal Ishtiaq Arris Enterprises 59
#4 Gregory L. Kuffel Panduit 44
#5 Michael J. Seely The Standard Oil 40
#5 Ronald Johannes Bonne Lumileds 40
#7 Anirudha V. Sumant Uchicago Argonne 37
#8 Scott Allen Long Cnh Industrial America 36
#9 Mitchell E. Auerbach International Truck Intellectual Property Company 35
#9 Stephen A. Colleran Molex 35
#11 Mark S. Kleefisch Amoco 30
#12 Kevin S. Richman Cnh America 28
#13 Joel D. Kwasny Panduit 26
#14 Krzysztof Pupek Uchicago Argonne 25
#14 Larry Mitchell Grela Unknown 25
#14 Harry Rowland Endotronix 25
#17 Matthew J. Beschorner Caterpillar 22
#17 Chongxi Yu Techfields Pharma Co. 22
#19 Christopher Marszalek Sennco Solutions 21
#20 Michael J. Hanson Hamilton Sundstrand 20
#20 Daniel Horvath 20
#20 Jason David Harper Purdue Research Foundation 20
#23 Dennis R. Barber Husco International 19
#23 Chris A. Kruegel 19
#23 Joshua D. Zimmerman Cnh Industrial America 19
#23 Wilfredo Gonzalez, Jr. Moshun 19
#27 Rogelio Rodriguez International Engine Intellectual Property Company 18
#27 Duston E. A. Stutzman Danco 18
#27 James E. Patrick Schering 18
#30 Douglas C. Saunders Danco 17
#30 Harry W. Sarkas Nanophase Technologies 17
#30 Jason R. Croy Uchicago Argonne 17
#33 Mohamed K. Wagdy Illinois Tool Works 16
#33 Allen D. Polowinczak 16
#33 James Richard Morse Texas Technology Ventures 2, Llp 16
#33 Scott A. Elkins Cnh Industrial America 16
#33 Frank E. Johnson West 16
#33 Osman Levent Eryilmaz Uchicago Argonne 16
#39 Damon Delorenzis Hendrickson Usa, L.L.C. 15
#39 Ross T. Gray Nalco Company 15
#39 Michael D. Chambers AT&T 15
#39 Matthew J. Van Meter Hendrickson Usa, L.L.C. 15
#39 Pankaj Kumar Singh Cabot Microelectronics 15
#39 Paul Carlson Fluke 15
#45 Justin J. Myers Spectrum Diversified Designs 14
#45 Kelly Tina Lin Thermos L.L.C. 14
#45 Ramasubramanian Anand Tellabs Operations 14
#45 Raji Rexavier Electro-Motive Diesel 14
#49 Christopher Price Northern Trust 13
#49 Brian J. Truesdale Illinois Tool Works 13

Part of Illinois