Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
BD

Brian E. Duncan

3M: 2 patents #222 of 1,276Top 20%
Shoreview, MN: #31 of 116 inventorsTop 30%
Minnesota: #1,164 of 7,038 inventorsTop 20%
Overall (2021): #176,574 of 548,734Top 35%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11167298 Spray gun barrel with inseparable nozzle Stephen C. P. Joseph 2021-11-09
11154894 Spray gun and nozzle assembly attachment Bryan J. Hayward, Brady P. Haislet, Alexander T. Ebertowski, Scott D. Gullicks, Anna M. Hegdahl +1 more 2021-10-26