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

Robert L. Zimmerman

ESEssef: 1 patents #17 of 36Top 50%
Cleveland, OH: #637 of 1,781 inventorsTop 40%
Ohio: #30,338 of 73,341 inventorsTop 45%
Overall (All Time): #2,265,523 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5830273 Workpiece support 1998-11-03
5484079 Hydropneumatic filament-wound pressure vessel Thomas G. Carter, Douglas M. Horner, Robert J. Pristas, James C. Murphy 1996-01-16