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

Dave Hendrickson

NLNu-Iron Technology, Llc.: 1 patents #21 of 24Top 90%
Hibbing, MN: #20 of 73 inventorsTop 30%
Minnesota: #23,881 of 52,454 inventorsTop 50%
Overall (All Time): #2,099,979 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10486105 Clean gas stack James G. Davidson 2019-11-26
8333823 Method and system for producing metallic iron nuggets Iwao Iwasaki, Richard F. Kiesel, David J. Englund 2012-12-18