Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11543153 | Gas-fired appliance and control algorithm for same | George W. Kraus, II, Roy L. Smith, J. Eric Arnold, Steven Lawrence Tilson | 2023-01-03 |
| 7451725 | Water heater combustion chamber sensing system | Michael A. Garrabrant, Eric Arnold | 2008-11-18 |
| 7159540 | Water heater with air intake and exhaust system | Michael A. Garrabrant, James York, Tim Smith, Roger Gillespie | 2007-01-09 |
| 6508207 | Flammable vapor resistant water heater with low NOx emissions | Timothy J. Shellenberger, Thomas A. Edds, Aleksandr V. Kovalenko, Kelsey S. Dorrough | 2003-01-21 |