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

Eric C. Pemberton — 2 Patents

3M: 2 patents #5,326 of 11,543Top 50%
Southington, CT: #135 of 315 inventorsTop 45%
Connecticut: #15,609 of 34,797 inventorsTop 45%
Overall (All Time): #2,003,268 of 4,157,543Top 50%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9302210 Composite blocks with void spaces Mark Stouffer 2016-04-05
8887923 Filter medium and water filtration system including the same Mark R. Stouffer 2014-11-18