Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Michael D. Van Mill

UCUnverferth Manufacturing Co.: 2 patents #1 of 3Top 35%
Shell Rock, IA: #1 of 2 inventorsTop 50%
Iowa: #267 of 1,785 inventorsTop 15%
Overall (2021): #129,068 of 548,734Top 25%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11140829 Farm implement with folding auger Ronald J. Schlimgen, Shawn W. Gerdeman 2021-10-12
11019771 Convertible dual-sided auger system for a farm implement Ronald J. Schlimgen 2021-06-01