Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6572353 | Hydraulic gerotor motor having a valve plate adjacent the toothed wheel | — | 2003-06-03 |
| 4776257 | Axial pump engine | — | 1988-10-11 |
| 4703682 | Varible displacement piston pump or motor | — | 1987-11-03 |
| 4435130 | Hydraulic planetary piston engine having free wheeling valve | Carl Verner Ohrberg | 1984-03-06 |
| 4316707 | Gerotor with valve plate attached to rotor | Christian B. Hansen | 1982-02-23 |