Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6533556 | Pressure balanced hydraulic pumps | Chris Van Den Berg, Richard Muizelaar | 2003-03-18 |
| 5722815 | Three stage self regulating gerotor pump | — | 1998-03-03 |
| 5135373 | Spur gear with epi-cycloidal and hypo-cycloidal tooth shapes | — | 1992-08-04 |
| 5096398 | Pulse tuned optimized positive displacement porting | — | 1992-03-17 |