Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12181050 | Ring with recirculating grooves for dry gas seal | Syed Niamathullah | 2024-12-31 |
| 7857319 | Mechanical seal with banded ring | Thomas Steigerwald, Michael G. Kalodimos | 2010-12-28 |
| 6210107 | Barrier seal systems | Richard Hosanna, James P. Netzel | 2001-04-03 |
| 5713576 | Gas lubricated barrier seal | James R. Wasser, James P. Netzel | 1998-02-03 |
| 5375853 | Secondary containment seal | James R. Wasser, James P. Netzel | 1994-12-27 |
| 5249812 | Barrier seal systems | Richard Hosanna, James P. Netzel | 1993-10-05 |