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

Gerrit Groenenboom — 1 Patent

Biddinghuizen, NL: #1 of 1 inventorsTop 100%
Overall (All Time): #3,851,369 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5116761 Apparatus for preparing compost from manure by fermentation 1992-05-26