Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8952635 | Method for use in controlling free piston stirling coolers and heat pumps driven by a linear alternator | Yongrak Kwon | 2015-02-10 |
| 7075292 | Apparatus for determining free piston position and an apparatus for controlling free piston position | David M. Berchowitz | 2006-07-11 |