Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6557856 | Split mechanical face seal | Henri V. Azibert, Bo Ruan, Marlen S. Clark | 2003-05-06 |
| 6386547 | Dual non-contacting mechanical face seal having concentric seal faces | Christopher A. Kowalski, Henri V. Azibert | 2002-05-14 |
| 6131912 | Split mechanical face seal | Henri V. Azibert, Bo Ruan, Marlen S. Clark | 2000-10-17 |
| 6120034 | Secondary sealing assembly for mechanical face seal | Christopher A. Kowalski, Henri V. Azibert | 2000-09-19 |
| 6068263 | Split mechanical face seal with resilient pivoting member | Henri V. Azibert, Bo Ruan, Marlen S. Clark | 2000-05-30 |
| 6068264 | Split mechanical face seal with negative pressure control system | Henri V. Azibert, Bo Ruan, Marlen S. Clark | 2000-05-30 |
| 6059293 | Split mechanical face seal with seal face fluid introducing structure | Henri V. Azibert, Bo Ruan, Marlen S. Clark | 2000-05-09 |