Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9970545 | Stern tube seal system | Stephen Hanly, Steven A. Klepper, Christopher Ludlow, Mark Spadafora, Marthinus van Schoor | 2018-05-15 |
| 8608172 | Bulkhead seal | Marthinus van Schoor, Steven A. Klepper | 2013-12-17 |
| 8419020 | Fluid activated shaft seal | Marthinus van Schoor, Christopher Ludlow, Steven A. Klepper | 2013-04-16 |
| 7828299 | Fluid-activated shaft seal | Marthinus van Schoor, David Gilbert, Steven A. Klepper | 2010-11-09 |
| 7167009 | Method and apparatus for determining electrical properties of structures | Marthinus van Schoor, Gert Muller, Attila Lengyel, Brooks Radighieri | 2007-01-23 |