Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JD

John E. Duprey — 1 Patent

BRBrunswick: 1 patents #1,226 of 1,392Top 90%
Oshkosh, WI: #587 of 837 inventorsTop 75%
Wisconsin: #23,997 of 40,088 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
John E. Duprey has been granted 1 US patent while listed as an inventor at Brunswick. All of these patents were granted in 1991. John E. Duprey ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list John E. Duprey in Oshkosh, WI, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D319210 Five blade marine propeller Roger E. Koepsel, Edward M. Thull 1991-08-20