Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9970545 | Stern tube seal system | Andrew Cutler, Stephen Hanly, Christopher Ludlow, Mark Spadafora, Marthinus van Schoor | 2018-05-15 |
| 8608172 | Bulkhead seal | Marthinus van Schoor, Andrew Cutler | 2013-12-17 |
| 8419020 | Fluid activated shaft seal | Marthinus van Schoor, Christopher Ludlow, Andrew Cutler | 2013-04-16 |
| 7828299 | Fluid-activated shaft seal | Marthinus van Schoor, David Gilbert, Andrew Cutler | 2010-11-09 |