Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5499621 | Hot water heaters | — | 1996-03-19 |
| 5361729 | Water heaters | — | 1994-11-08 |
| 4821705 | Solar tracking system | — | 1989-04-18 |
| 4807592 | Solar tracking system | — | 1989-02-28 |
| 4750452 | Water heater | — | 1988-06-14 |
| 4649900 | Solar tracking system | — | 1987-03-17 |
| 4625693 | Internal combustion engine | — | 1986-12-02 |
| 4558670 | Internal combustion engine | — | 1985-12-17 |
| 4416587 | Heat operated pump | — | 1983-11-22 |
| 4390241 | Reflective trough structure | — | 1983-06-28 |
| 4324225 | Solar tracking device | — | 1982-04-13 |
| 4321909 | Servo-controlled solar tracking apparatus | — | 1982-03-30 |
| 4313421 | Solar heating apparatus for swimming pools | — | 1982-02-02 |
| 4304221 | Solar tracking device | — | 1981-12-08 |
| 4249495 | Internal combustion engine and head thereof | — | 1981-02-10 |