FH

Frank Harold Hollister

NC National Coupling Company: 8 patents #3 of 16Top 20%
HS Hunting Energy Services: 3 patents #3 of 29Top 15%
📍 Sugar Land, TX: #290 of 1,869 inventorsTop 20%
🗺 Texas: #13,747 of 125,132 inventorsTop 15%
Overall (All Time): #441,269 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
12173576 Regulator having check valve manifold for use in subsea control circuit Chris Roy, Nathan Zepeda, Robert E. Smith, III, Josh Williams 2024-12-24
11905782 Regulator having check valve manifold for use in subsea control circuit Chris Roy, Nathan Zepeda, Robert E. Smith, III, Josh Williams 2024-02-20
11105435 Subsea bop control system with dual-action check valve Robert E. Smith, III, Timothy Goggans 2021-08-31
11085545 Pilot-actuated spool valve having rod retainer Max Stetzer, Robert E. Smith, III, Chris Roy, Stephen L. Wells 2021-08-10
10415715 Subsea BOP control system with dual-action check valve Robert E. Smith, III, Timothy Goggans 2019-09-17
10288184 Metal reinforced seal plate for pilot actuated spool valve Robert E. Smith, III, Richard R. Watson, Dane Tipton 2019-05-14
10247322 Metal reinforced seal plate for pilot actuated spool valve Robert E. Smith, III, Richard R. Watson, Dane Tipton 2019-04-02
10174857 Subsea BOP control system with dual-action check valve Robert E. Smith, III, Timothy Goggans 2019-01-08
10054239 Subsea BOP control system with dual-action check valve Robert E. Smith, III, Timothy Goggans 2018-08-21
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