Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8381522 | Steam powered engine | — | 2013-02-26 |
| 7574885 | Method for the manufacturing of a fluid conduit, particularly a fluid conduit in a CO2 refrigeration system | — | 2009-08-18 |
| 4432710 | Rotary type machine with check valves for relieving internal pressures | Carl O. Flagstad | 1984-02-21 |
| 4432709 | Internally shafted planetary piston engine | — | 1984-02-21 |
| 4334843 | Gerotor machine with valve plates attached to wheel gear | Carl D. Flagstad | 1982-06-15 |
| 4323335 | Distributor valve for hydraulic planetary piston machine | — | 1982-04-06 |
| 4316707 | Gerotor with valve plate attached to rotor | Gunnar Hansen | 1982-02-23 |