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

Derek E. Cadden

FLFlex Box Limited: 1 patents #3 of 11Top 30%
Stockport, GB: #127 of 272 inventorsTop 50%
Overall (All Time): #3,814,103 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5375854 Mechanical face seals Peter Derek Carlisle 1994-12-27