Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6659170 | Energy-efficient, finned-coil heat exchanger | — | 2003-12-09 |
| 5421404 | Storage tank for water heaters and the like with filling dip tube | — | 1995-06-06 |
| 5137053 | Storage tank for water heaters and the like with diffuser inlet | — | 1992-08-11 |
| 5054437 | Storage tank for water heaters and the like with collector outlet dip tube | — | 1991-10-08 |
| 4949680 | Water heater having filling dip tube | — | 1990-08-21 |
| 4739728 | Thermal foil for water heaters and the like | — | 1988-04-26 |
| 4692592 | Compartmentalized electric liquid heater | — | 1987-09-08 |
| 4632065 | Thermal baffle for water heaters and the like | — | 1986-12-30 |