DY

Darrin L. Yenzer

Schlumberger Technology: 2 patents #2,609 of 7,293Top 40%
NV National Oilwell Varco: 1 patents #240 of 551Top 45%
📍 Cypress, TX: #409 of 1,064 inventorsTop 40%
🗺 Texas: #40,946 of 125,132 inventorsTop 35%
Overall (All Time): #1,438,200 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11174696 Blowout preventer with choke and kill line pass through conduits Matthew Givens, Christopher Nault, Ray Cummins 2021-11-16
11098550 Blowout preventer with wide flange body Matthew Givens, Christopher Nault, Ray Cummins 2021-08-24
7748445 Top drive with shaft seal isolation Lawrence E. Wells, Preston R. Fox 2010-07-06