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

Robin A. Plumbley

BLBlount: 2 patents #59 of 164Top 40%
Portland, OR: #4,612 of 9,213 inventorsTop 55%
Oregon: #12,654 of 28,073 inventorsTop 50%
Overall (All Time): #2,311,461 of 4,157,543Top 60%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5143131 Selectable spray pattern chain saw bar system Christopher D. Seigneur 1992-09-01
5050303 Chain saw bar fluid passage system James Sinclair, Paul W. Pink, Michael D. Harfst 1991-09-24