CD

Charles A. Drake

PP Phillips Petroleum: 220 patents #2 of 1,401Top 1%
LI Leach Industries: 4 patents #1 of 3Top 35%
Chevron: 3 patents #1,350 of 4,788Top 30%
CO Conocophillips: 1 patents #472 of 954Top 50%
📍 Nowata, OK: #1 of 19 inventorsTop 6%
🗺 Oklahoma: #7 of 12,736 inventorsTop 1%
Overall (All Time): #2,377 of 4,157,543Top 1%
233
Patents All Time

Issued Patents All Time

Showing 226–233 of 233 patents

Patent #TitleCo-InventorsDate
D257484 Game racket throat piece 1980-11-04
D257483 Game racket throat piece 1980-11-04
4218394 Preparation of unsaturated nitriles Willie W. Crouch 1980-08-19
4217303 Preparation of unsaturated nitriles 1980-08-12
4216169 Two-stage catalytic hydrogenation of olefinically unsaturated dinitriles 1980-08-05
4215019 Ruthenium-cobalt-gold catalyst for hydrogenation of unsaturated dinitriles Timothy P. Murtha 1980-07-29
4200586 Inhibiting the carbon-carbon double bond isomerization of substituted or unsubstituted hydrocarbon compounds 1980-04-29
4195155 Hydrogenated polynitrile mixture and use as epoxy hardener Ralph P. Williams 1980-03-25