Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Duluth, MN ranks #3,526 worldwide for total patents filed in 2021, with 33 patents from 28 inventors. Leading employers of inventors based in Duluth, MN include Energy And Environmental Research Center Foundation, Feradyne Outdoors, University of Minnesota. That works out to 0.4 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–28 of 28 inventors

Rank Inventor Primary Company Patents
1 John H. Pavlish Energy And Environmental Research Center Foundation 4
2 Matthew Peter Haas Feradyne Outdoors 2
2 Oksana Kolomitsyna University of Minnesota 2
#4 Clayton Sederberg 1
#4 Chris Morton Virtual Fluid Monitoring Services 1
#4 Viktor Slobodyan Ecolab Usa 1
#4 Fred H. Hunt Ravin Crossbows 1
#4 Joseph Scott Deters Altec Industries 1
#4 Clayton Vetter 1
#4 Shacarah Gagnon-Kvale Salesforce 1
#4 Steven J. Gorghuber Altec Industries 1
#4 DeBora Rachelle Maki Bernick 1
#4 Shane Bubacz 1
#4 Randy Dufault 1
#4 Alison Hoxie University of Minnesota 1
#4 Karl Eric Johnson Builtrite 1
#4 John Malone 1
#4 Nicholas Dickson Artisan Vehicle Systems 1
#4 Gregory Wilhelm Wallgren Unknown 1
#4 Samuel Joseph Schmidt Medtronic 1
#4 Matthew Just 1
#4 Keith Anderson 1
#4 Keith Homstad 1
#4 Karl Johnson 1
#4 Eugene Tokhtuev Ecolab Usa 1
#4 Daniel J. Altepeter 1
#4 Jeremy Travis Engel Cirrus Design 1
#4 Kyle K. Johnson The Chromaline 1

Part of Minnesota