Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6044803 | Vertical tube water heater apparatus | Mark A. Ferguson | 2000-04-04 |
| 5697435 | Heat exchanger systems | George Stickford, Anthony C. De Vuono, William F. Raleigh | 1997-12-16 |
| 5476088 | Flue product exhaust and condensate collecting systems | — | 1995-12-19 |
| 5431557 | Low NOX gas combustion systems | — | 1995-07-11 |
| 5380192 | High-reflectivity porous blue-flame gas burner | — | 1995-01-10 |
| 5320140 | Fluid valve systems | — | 1994-06-14 |
| 5278455 | Spa and pool pump and heater control | — | 1994-01-11 |
| 5211195 | Fluid valve systems | — | 1993-05-18 |
| 5163508 | Heat exchanger baffle system | — | 1992-11-17 |
| 5158069 | Wind-resistant heating appliance | — | 1992-10-27 |
| 5117233 | Spa and swimming pool remote control systems | William F. Raleigh | 1992-05-26 |