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

E. F. Cook

San Diego, CA: #15,630 of 23,606 inventorsTop 70%
California: #247,236 of 386,348 inventorsTop 65%
Overall (All Time): #3,568,239 of 4,157,543Top 90%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6168517 Recirculating air mixer and fan with lateral air flow 2001-01-02