Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10794614 | Thermosiphon system for hot water heater | — | 2020-10-06 |
| 10215445 | Thermosiphon system for hot water heater | — | 2019-02-26 |
| 6370328 | Water heating tank with thermosiphonic circulation for improved heat recovery rate | — | 2002-04-09 |
| H1995 | Water heating tank with thermosiphonic circulation for improved heat | — | 2001-10-02 |
| 4777347 | Electric water heating tank with thermosiphonic circulation for improved heat recovery rate | — | 1988-10-11 |