Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6874333 | Refrigerator or freezer cabinet | Adam Fjaestad, Stefan Jonsson, Håkan Miefalk | 2005-04-05 |
| 6755021 | On-board hydrogen gas production system for stirling engines | — | 2004-06-29 |
| 6543229 | Exhaust gas alternator system | — | 2003-04-08 |
| 6282895 | Heat engine heater head assembly | Stephen C. Matthews, Amedee Roy, William H. Houtman | 2001-09-04 |
| 5884481 | Heat engine heater assembly | Nicholas R. Marchionna, Stephen C. Matthews, Benjamin Ziph | 1999-03-23 |
| 5706659 | Modular construction stirling engine | William H. Houtman, Christopher Domanski | 1998-01-13 |
| 4961316 | Controlled electric pump drive for hydraulic lifting arrangement with gas spring in motor | Andrew Corke | 1990-10-09 |
| 4753072 | Stirling engine heating system | William H. Houtman, Worth H. Percival | 1988-06-28 |