Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11920435 | Sub-surface safety valve assembly | Ross Dusterhoft, Bharat Bajirao Pawar | 2024-03-05 |
| 11753905 | Downhole tool actuator with viscous fluid clearance paths | Ross Dusterhoft, Leo G. Collins, Adam Beck, Matthew Lawrence Apiecionek, Michael Wade Meaders | 2023-09-12 |
| 11661826 | Well flow control using delayed secondary safety valve | Ross Dusterhoft, Charles David McFate | 2023-05-30 |
| 10597973 | Activating a downhole tool with simultaneous pressure from multiple control lines | — | 2020-03-24 |
| 10047585 | Sealing a downhole tool | — | 2018-08-14 |
| 9816352 | Tubing pressure operated downhole fluid flow control system | Michael Linley Fripp | 2017-11-14 |
| 9222340 | Mechanically adjustable flow control assembly | Luke William Holderman, Jean-Marc Lopez, Frank D. Kalb | 2015-12-29 |
| 9080421 | Mechanically adjustable flow control assembly | Luke William Holderman, Jean-Marc Lopez, Frank D. Kalb | 2015-07-14 |
| 8893798 | Barrier valve hydraulic operator with compound valve opening force feature | Steven R. Hayter, Antonio Lazo | 2014-11-25 |
| 7775283 | Valve for equalizer sand screens | Martin P. Coronado | 2010-08-17 |