DH

Daniel Lyle Hannahs

NV National Oilwell Varco: 3 patents #88 of 551Top 20%
📍 Houston, TX: #6,659 of 21,073 inventorsTop 35%
🗺 Texas: #40,946 of 125,132 inventorsTop 35%
Overall (All Time): #1,459,275 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10841985 System and method for heat treating a tubular Kevin Joseph Wyble, Daryl Stevenson, Shawn Lee Cunningham 2020-11-17
10034330 System and method for heat treating a tubular Kevin Joseph Wyble, Daryl Stevenson, Shawn Lee Cunningham 2018-07-24
8136384 Hardband wear testing system and method Irving O. Logan, Alfred Calles, Jr. 2012-03-20