Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Douglas Kent Schroeder — 1 Patent in 2016

Estherville, IA: #1 of 1 inventorsTop 100%
Iowa: #434 of 1,466 inventorsTop 30%
Overall (2016): #414,219 of 481,213Top 90%
1 Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9376262 Separated drive and sealing device for screw conveyor 2016-06-28