Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12313167 | Valve stop for use with a fluid end assembly | Katherine Goodnight Schaller, Tyrone Walker, Jeffrey PLAISTED, Jonathan Michael Brinson | 2025-05-27 |
| 12092101 | System and method of using power of pump to replace packing bores or other components from a fluid end | Amy C. Stephens, Cody Gill | 2024-09-17 |
| 7708283 | Mechanical seal assembly | Henri V. Azibert, Ann T. Attenasio | 2010-05-04 |
| 6386547 | Dual non-contacting mechanical face seal having concentric seal faces | Shifeng Wu, Henri V. Azibert | 2002-05-14 |
| 6155572 | Non-contacting mechanical face seal including fluid control system | Shi-Feng Wu, Henri V. Azibert | 2000-12-05 |
| 6120034 | Secondary sealing assembly for mechanical face seal | Shifeng Wu, Henri V. Azibert | 2000-09-19 |
| 6076830 | Dual non-contacting mechanical face seal having concentric seal faces | Shi-Feng Wu, Henri V. Azibert | 2000-06-20 |