JA

John L. Alsup

EA Electrical Subsea & Drilling As: 2 patents #3 of 6Top 50%
📍 Houston, TX: #8,651 of 21,073 inventorsTop 45%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #1,890,858 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11156054 Annular blowout preventer Bolie C. Williams, III, J. GILBERT NANCE, Erik Norbom, THOR ARNE HAVERSTAD 2021-10-26
10519739 Ram for a blowout preventer and a blowout preventer provided with rams THOR ARNE HAVERSTAD, Erik Norbom, J. GILBERT NANCE, Bolie C. Williams, III 2019-12-31