Duluth, MN ranks #3,111 worldwide for total patents filed in 2017, with 38 patents from 20 inventors. Leading employers of inventors based in Duluth, MN include Ecolab Usa, Out Rage, Energy And Environmental Research Center Foundation. That works out to 0.4 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.
Showing 1–20 of 20 inventors
| Rank ↑ | Inventor ↕ | Primary Company ↕ | Patents ↕ |
|---|---|---|---|
| 1 | Eugene Tokhtuev | Ecolab Usa | 7 |
| 2 | William E. Pedersen | Out Rage | 4 |
| 2 | John H. Pavlish | Energy And Environmental Research Center Foundation | 4 |
| #4 | Conrad Bruce Beaulieu | Honeywell | 3 |
| #5 | Christopher J. Owen | Ecolab Usa | 2 |
| #5 | Paul Schilling | Ecolab Usa | 2 |
| #5 | Igor V. Kolomitsyn | University of Minnesota | 2 |
| #5 | Viktor Slobodyan | Ecolab Usa | 2 |
| #9 | Fred H. Hunt | Ravin Crossbows | 1 |
| #9 | Gregory Paul Bacon | Exodus Machines Incorporated | 1 |
| #9 | Connie Sylvester | — | 1 |
| #9 | David Gramling | Hiniker | 1 |
| #9 | Joel Stocke | — | 1 |
| #9 | Bruce Edward Bacon | Exodus Machines Incorporated | 1 |
| #9 | Lane Johnson | Cable Television Laboratories | 1 |
| #9 | Matthew Peter Haas | Feradyne Outdoors | 1 |
| #9 | Joseph Ryan Lemker | — | 1 |
| #9 | Ronald Lee Matson | — | 1 |
| #9 | M. Imran Hayee | Dorsal Networks | 1 |
| #9 | Keith Anderson | — | 1 |
Part of Minnesota