CC

Claude T. Copeland

DI Dowell Schlumberger Incorporated: 2 patents #20 of 148Top 15%
The Dow Chemical: 2 patents #1,449 of 4,115Top 40%
AP Appleton Papers: 1 patents #65 of 114Top 60%
📍 Broken Arrow, OK: #99 of 587 inventorsTop 20%
🗺 Oklahoma: #2,171 of 12,736 inventorsTop 20%
Overall (All Time): #1,057,906 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5330566 Capsule coating 1994-07-19
4850430 Matched particle/liquid density well packing technique Derrel G. Gurley 1989-07-25
4733729 Matched particle/liquid density well packing technique 1988-03-29
4439337 Composition and method for preventing freezing together of various surfaces Kenneth H. Nimerick 1984-03-27
4388203 Composition and method for melting frozen aqueous solutions Kenneth H. Nimerick 1983-06-14