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

Derek Hallam

CLConcept Packaging Limited: 2 patents #2 of 4Top 50%
Durham, GB: #47 of 202 inventorsTop 25%
Overall (All Time): #1,640,376 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5794842 Tubular packaging containers 1998-08-18
5425498 Container having in-turned flange 1995-06-20
5383595 Boxes 1995-01-24