Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9664398 | Hybrid ground water and heat pump system | — | 2017-05-30 |
| 7569121 | Process for producing synthetic oil from solid hydrocarbon resources | — | 2009-08-04 |
| 6526965 | Solar energy collection panel for heating pools of water | — | 2003-03-04 |
| 4281641 | Solar energy collecting system | — | 1981-08-04 |