Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Rockford, IL ranks #993 worldwide for total patents filed in 2022, with 139 patents from 77 inventors. Leading employers of inventors based in Rockford, IL include Trion Industries, Hamilton Sundstrand, Sage Products. That works out to 0.9 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 77 inventors

Rank Inventor Primary Company Patents
1 Thomas O. Nagel Trion Industries 7
2 Andreas C. Koenig Hamilton Sundstrand 6
2 Paul M. Fowler Sage Products 6
#4 Jordan K. Vanevenhoven Hamilton Sundstrand 5
#5 Todd A. Spierling Hamilton Sundstrand 4
#5 Keith C. Eden Fasteners For Retail 4
#5 Andrew P. Grosskopf Hamilton Sundstrand 4
#5 Waleed M. Said Hamilton Sundstrand 4
#9 Jeffrey D. Nelson Sundstrand 3
#9 Matthew Allen Slayter Hamilton Sundstrand 3
#9 Aaron D. Sullivan Bergstrom 3
#9 Hebri Vijayendra Nayak Hamilton Sundstrand 3
#9 Robert L. Seagren Hamilton Sundstrand 3
#9 Eric Karlen Hamilton Sundstrand 3
#9 Shin Katsumata Hamilton Sundstrand 3
#9 Jae Kwang Lee Samsung 3
#17 Daniel Richard Walker Hamilton Sundstrand 2
#17 Daniel Streit Cisco 2
#17 Dwayne Leon Wilson Hamilton Sundstrand 2
#17 John N. Buzzard Hamilton Sundstrand 2
#17 Kyle S. Sirbasku Hamilton Sundstrand 2
#17 James Vandung Nguyen Hamilton Sundstrand 2
#17 Jordan Loren Loos Woodward 2
#17 John F. Defenbaugh Hamilton Sundstrand 2
#17 Yandriel Silverio Hamilton Sundstrand 2
#17 Dwight D. Schmitt Hamilton Sundstrand 2
#17 Craig R. Legros Hamilton Sundstrand 2
#17 Jeffrey J. Plummer Greenlee Texron 2
#17 Brian C. Konopa Hamilton Sundstrand 2
#17 Shane R. Traser Hamilton Sundstrand 2
#31 Peter FALCK John Deere 1
#31 John Charles Rogers Yaskawa America 1
#31 Thao Hoang B/E Aerospace 1
#31 Andrew Micah Brahmstedt Ingersoll Machine Tools 1
#31 Jeffrey A. Huber Sundstrand 1
#31 Josh C. Swenson Hamilton Sundstrand 1
#31 Olaf Enke Tenneco Automotive Operating Company 1
#31 Michael Congdon Hamilton Sundstrand 1
#31 Tingzhou Wu Bergstrom 1
#31 Daniel John Marben Greenlee Tools 1
#31 Chris Scott MIT 1
#31 William Louis Wentland Hamilton Sundstrand 1
#31 SatishKumar SivaSankaran Greenlee Tools 1
#31 Jeff Miller Halliburton Energy Services 1
#31 Erika M. Danckers Hamilton Sundstrand 1
#31 Kathleen Bartel 1
#31 William A. Byrd Sundstrand 1
#31 Joshua Berg Hamilton Sundstrand 1
#31 Deraid Damitric Woods Greenlee Tools 1
#31 Timothy Joseph LeCrone Pacific Bearing 1

Part of Illinois