Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9151541 | Heat transfer system | — | 2015-10-06 |
| 7886537 | Power generation system and associated methods | Donald James Hay | 2011-02-15 |
| 7712326 | Energy transfer system and associated methods | Donald James Hay, Don Franklin Murphy | 2010-05-11 |
| 7658082 | Heat transfer system and associated methods | — | 2010-02-09 |