Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12018766 | Modular linear actuated valve | Dean Madell | 2024-06-25 |
| 11933124 | Oil field tool latch system and method | — | 2024-03-19 |
| 9121245 | Spherical-annular blowout preventer having a plurality of pistons | Dean Madell, Dennis D. Lam | 2015-09-01 |
| 9091351 | Gate valve | Robert Y. Jones, Balazs Horvath, Henry O. Tohill, Ricky D Knight, Melvin Medina | 2015-07-28 |
| 6695059 | Mechanical anti-rotational feature for subsea wellhead housing | Sean Thomas | 2004-02-24 |
| 5370362 | Gate valve | Peter M. Kent, Anton J. Dach, Jr., Ted D. Williams | 1994-12-06 |