FH

Frank Harold Hollister

HS Hunting Energy Services: 1 patents #1 of 6Top 20%
NC National Coupling Company: 1 patents #2 of 3Top 70%
📍 Sugar Land, TX: #64 of 344 inventorsTop 20%
🗺 Texas: #2,607 of 15,389 inventorsTop 20%
Overall (2017): #153,521 of 506,227Top 35%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9822895 Metal reinforced seal plate for pilot actuated spool valve Robert E. Smith, III, Richard R. Watson, Dane Tipton 2017-11-21
9810336 Subsea BOP control system with dual-action check valve Robert E. Smith, III, Timothy Goggans 2017-11-07