Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9683759 | Very efficient heat exchanger for cryogen free MRI magnet | Robert Adolph Ackermann, Philippe Abel Menteur | 2017-06-20 |
| 5140905 | Stabilizing gas bearing in free piston machines | — | 1992-08-25 |
| 4873826 | Control scheme for power modulation of a free piston Stirling engine | — | 1989-10-17 |
| 4567726 | Externally excited resonant free piston Stirling engine thermal amplifier system and method of operation and control therefor | Nicholas G. Vitale | 1986-02-04 |