Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8215644 | Shaft sealing device | — | 2012-07-10 |
| 8033549 | Mechanical seal | — | 2011-10-11 |
| 7204490 | Shaft-sealing device having an inner modular structure for combining with a rotary machine | — | 2007-04-17 |
| 6935633 | Shaft sealing device having a positioning ring and a retaining ring thereof | — | 2005-08-30 |