Perry Lee McClanahan

NV National Oilwell Varco: 1 patents #240 of 551Top 45%

VI Varco I/P: 1 patents #91 of 168Top 55%

📍 Willis, TX: #27 of 96 inventorsTop 30%

🗺 Texas: #52,441 of 125,132 inventorsTop 45%

Overall (All Time): #2,108,624 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
7967299	Body to bonnet seal on a blowout preventer	—	2011-06-28
6843463	Pressure regulated slip ram on a coil tubing blowout preventer	David J. McWhorter	2005-01-18