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

Nathan E. Krehbiel — 3 Patents in 2021

JDJohn Deere: 3 patents #86 of 734Top 15%
Bettendorf, IA: #9 of 60 inventorsTop 15%
Iowa: #138 of 1,785 inventorsTop 8%
Overall (2021): #69,259 of 548,734Top 15%
3 Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11129332 Corn stalk roll arrangement Steve A. Coon, Dennis P. Silver 2021-09-28
11032971 Composite stalk roll Steve A. Coon, Troy M. Heims 2021-06-15
10897846 Corn harvester Troy M. Heims, Steve A. Coon, Dennis P. Silver, Eric D. Windsor, Eric H. Stone 2021-01-26