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

Eric Duffey — 3 Patents

SASandoz Ag: 2 patents #275 of 1,103Top 25%
WIWellmark International: 1 patents #13 of 28Top 50%
Farmers Branch, TX: #46 of 148 inventorsTop 35%
Texas: #40,946 of 125,132 inventorsTop 35%
Overall (All Time): #1,621,271 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6200584 Insect control by insect growth regulators broadcast by volatilization Robin Rudolph 2001-03-13
D365392 Point source insecticide container used to combat cockroaches and other household pests Douglas N. VanGundy, Lloyd T. Tate 1995-12-19
5396730 Point source insecticide dispenser Douglas N. VanGundy, Lloyd T. Tate, Robert C. Pearce, III 1995-03-14