Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6302062 | Sealed access assembly for water heaters | Charles Watling | 2001-10-16 |
| 6269779 | Sealed access assembly for water heaters | — | 2001-08-07 |
| 6223697 | Water heater with heat sensitive air inlet | — | 2001-05-01 |
| 6142106 | Air inlets for combustion chamber of water heater | Zoran Valcic, Geoffrey Mervyn Whitford | 2000-11-07 |
| 6085700 | Heat sensitive air inlets for water heaters | — | 2000-07-11 |
| 5950573 | Power vented water heater with air inlet | Timothy J. Shellenberger | 1999-09-14 |