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

James P. Duffy

The Boeing: 2 patents #5,172 of 15,756Top 35%
WCWitco Chemical: 1 patents #18 of 55Top 35%
Memphis, TN: #550 of 1,908 inventorsTop 30%
Tennessee: #5,688 of 20,272 inventorsTop 30%
Overall (All Time): #1,656,307 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5176476 Router cutting bit Frances T. Kendra, Alfred Smith 1993-01-05
4778315 Chip removal and tool lubricating device and method Robert M. Roberts, James C. Imbesi 1988-10-18
4417999 Free flowing antistatic composition 1983-11-29