Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12055222 | Non-collapsible flexible sealing membrane and seal assembly for rotary shaft equipment | Darin Merrill Rasmussen, Tom Steigerwald, Syed Niamathullah, Dan Kozlowski, James R. Wasser | 2024-08-06 |
| 11473680 | Non-collapsible flexible sealing membrane and seal assembly for rotary shaft equipment | Darin Merrill Rasmussen, Tom Steigerwald, Syed Niamathullah, Dan Kozlowski, James R. Wasser | 2022-10-18 |
| 10634250 | Non-collapsible flexible sealing membrane and seal assembly for rotary shaft equipment | Darin Merrill Rasmussen, Tom Steigerwald, Syed Niamathullah, Dan Kozlowski, James R. Wasser | 2020-04-28 |
| 7857319 | Mechanical seal with banded ring | Thomas Steigerwald, Douglas J. Volden | 2010-12-28 |