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

Gerald D. Knepper

PAPact: 2 patents #3 of 6Top 50%
Tucson, AZ: #2,413 of 6,004 inventorsTop 45%
Arizona: #13,050 of 32,909 inventorsTop 40%
Overall (All Time): #2,298,455 of 4,157,543Top 60%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5372717 Separation of metal ions on an anion exchange resin by chromatographic elution Robert B. Abolt 1994-12-13
5246591 Separation of metal ions on an anion exchange resin by chromatographic elution Robert B. Abolt 1993-09-21