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

John Feuerstein — 3 Patents

BUBrp Us: 3 patents #37 of 118Top 35%
Racine, WI: #369 of 1,018 inventorsTop 40%
Wisconsin: #13,258 of 40,088 inventorsTop 35%
Overall (All Time): #1,501,079 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9227715 Marine propulsion system gear case assembly Roger Raetzman, Simon Pfiffner, Michael Freitag, Mark C. Noble 2016-01-05
8327827 Fuel-injected engine and method of assembly thereof Devlin Hunt 2012-12-11
8162632 Fluid pump Devlin Hunt, Tony Urbanik 2012-04-24