David L. Farley

CS Completion Services: 6 patents #1 of 4Top 25%

FL Fxi Inc. Limited: 3 patents #3 of 34Top 9%

HA Halliburton: 1 patents #490 of 857Top 60%

OS Osca: 1 patents #7 of 16Top 45%

📍 Duncan, OK: #46 of 603 inventorsTop 8%

🗺 Oklahoma: #260 of 12,736 inventorsTop 3%

Overall (All Time): #147,187 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #	Title	Co-Inventors	Date
4440218	Slurry up particulate placement tool	—	1984-04-03
4281715	Bypass valve	—	1981-08-04