Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Clifford E. Cox — 3 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Chicago, IL: #3,897 of 13,327 inventorsTop 30%
Illinois: #26,653 of 84,256 inventorsTop 35%
Overall (All Time): #1,658,803 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D338713 Combined hot air drying and fan unit for use on a printing press David N. Clay 1993-08-24
5168811 Method and apparatus for accelerating setting and drying of liquid media John A. Stout 1992-12-08
4699668 Method and apparatus for cleaning gripper assemblies William P. Burns, John A. Stout 1987-10-13