Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10753648 | Water heater and method of operating a water heater | — | 2020-08-25 |
| 10697921 | Flame rod analysis system | Brian C. Dolder, Charles J. Koehler, III | 2020-06-30 |
| 10605482 | Water heater with damper | Jianmin Yin, Mark A. Murphy, Benjamin Bolton | 2020-03-31 |
| 10584874 | Common venting system for water heaters and method of controlling the same | — | 2020-03-10 |
| 10544944 | System and method for grid load-up dual set point | Yonggon Lee | 2020-01-28 |
| 10544962 | Water heater and method of operating the same | Andrew Robert Caves, Andrew W. Phillips, William Louis Mehlhorn, Thomas G. Van Sistine, Robert Eugene Olson +1 more | 2020-01-28 |