Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Duluth, MN ranks #2,637 worldwide for total patents filed in 2018, with 45 patents from 29 inventors. Leading employers of inventors based in Duluth, MN include Out Rage, Ravin Crossbows, Feradyne Outdoors. That works out to 0.5 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–29 of 29 inventors

Rank Inventor Primary Company Patents
1 William E. Pedersen Out Rage 5
2 Fred H. Hunt Ravin Crossbows 4
3 Matthew Peter Haas Feradyne Outdoors 3
3 Eugene Tokhtuev Ecolab Usa 3
#5 Karl Johnson 2
#5 Viktor Slobodyan Ecolab Usa 2
#5 DeBora Rachelle Maki Bernick 2
#5 Gregory Paul Bacon Exodus Machines Incorporated 2
#5 Bruce Edward Bacon Exodus Machines Incorporated 2
#10 Connie Sylvester 1
#10 Conrad Bruce Beaulieu Honeywell 1
#10 Rodney Dwaine Koivisto 1
#10 Christopher J. Owen Ecolab Usa 1
#10 Chris Morton Virtual Fluid Monitoring Services 1
#10 Igor V. Kolomitsyn University of Minnesota 1
#10 Kevin P. Welsh Cirrus Design 1
#10 Leroy Sheldon Johnson 1
#10 Lori Nelson 1
#10 Jay C. Almlie Energy And Environmental Research Center Foundation 1
#10 M. Imran Hayee Dorsal Networks 1
#10 Jeremy Travis Engel Cirrus Design 1
#10 Hilary Tony Godard Corning Incorporated 1
#10 Anthony D. Kasher Cirrus Design 1
#10 Regis Hadiaris 1
#10 Mark Chmielewski Virtual Fluid Monitoring Services 1
#10 Paul Schilling Ecolab Usa 1
#10 Anna Pilipchenko Ecolab Usa 1
#10 Chad Wood Genesis Attachments 1
#10 John H. Pavlish Energy And Environmental Research Center Foundation 1

Part of Minnesota