Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7206506 | Fluid heating system | — | 2007-04-17 |
| 7164851 | Modular tankless water heater control circuitry and method of operation | Joseph M. Sullivan, Thomas J. Shortland, Kevin Hay, Gregg C. Johnson | 2007-01-16 |
| 7088915 | Modular tankless water heater | Joseph M. Sullivan, Thomas J. Shortland, Kevin Hay, Gregg C. Johnson | 2006-08-08 |
| 7046922 | Modular tankless water heater | Joseph M. Sullivan, Thomas J. Shortland, Kevin Hay, Gregg C. Johnson | 2006-05-16 |