Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6557856 | Split mechanical face seal | Henri V. Azibert, Bo Ruan, Shifeng Wu | 2003-05-06 |
| 6131912 | Split mechanical face seal | Henri V. Azibert, Bo Ruan, Shifeng Wu | 2000-10-17 |
| 6068263 | Split mechanical face seal with resilient pivoting member | Henri V. Azibert, Bo Ruan, Shifeng Wu | 2000-05-30 |
| 6068264 | Split mechanical face seal with negative pressure control system | Henri V. Azibert, Bo Ruan, Shifeng Wu | 2000-05-30 |
| 6059293 | Split mechanical face seal with seal face fluid introducing structure | Henri V. Azibert, Bo Ruan, Shifeng Wu | 2000-05-09 |
| 5913520 | Centering devices for a split mechanical seal | Henri V. Azibert | 1999-06-22 |
| 5725220 | Securing and centering devices for a split mechanical seal | Henri V. Azibert | 1998-03-10 |
| 5711532 | Securing and centering devices for a split mechanical seal | Henri V. Azibert | 1998-01-27 |
| 5209496 | Universal seal or packing gland | Henri V. Azibert, Margaret B. Willbrant, Ann T. Attenasio | 1993-05-11 |