Issued Patents All Time
Showing 25 most recent of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12313299 | Water heater with reserve capacity, and method of operating the same | — | 2025-05-27 |
| 12098867 | Water heating system and method of operating the same | — | 2024-09-24 |
| 11988414 | System and method for control of electric water heater | Ronald Bartos | 2024-05-21 |
| 11885531 | Fluid heating system with combustion trim learning | Curtis George Gagne, Yonggon Lee, Barry Anthony Collins, Daniel Mitchell, Mohamed Mehdi Doura | 2024-01-30 |
| 11788771 | Sacrifical anode control for a water heater | Andrew W. Phillips, Christopher Glynne Townsend, Ray O. Knoeppel, Kedar D. Dimble | 2023-10-17 |
| 11719466 | Electronic unlock feature | William Gordon Hosken | 2023-08-08 |
| 11300325 | System and method for operating a grid controlled water heater | Yonggon Lee, Kedar D. Dimble | 2022-04-12 |
| 11079139 | Water heater blower leakage detection | — | 2021-08-03 |
| 10948219 | Electronic unlock feature | William Gordon Hosken | 2021-03-16 |
| 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 |
| 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 |
| 10544944 | System and method for grid load-up dual set point | Yonggon Lee | 2020-01-28 |
| 10465945 | System and method for determining an abnormal condition of a water heater | Ray O. Knoeppel, Geoffrey J. Behr, Jacob M. Pixler | 2019-11-05 |
| 10443894 | System and method for control of electric water heater | Ronald Bartos | 2019-10-15 |
| 10281351 | Water heater and pressure probe for a water heater | Janice Fitzgerald | 2019-05-07 |
| 10132770 | Flame rod analysis system | Brian C. Dolder, Charles J. Koehler, III | 2018-11-20 |
| 9689396 | Entrapment detection for variable speed pump system using load coefficient | Yilcan Guzelgunler | 2017-06-27 |
| 9435565 | 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 | 2016-09-06 |
| 9405304 | Water heater and method of operating a water heater | — | 2016-08-02 |
| 9267209 | Sacrificial anode control | Ray O. Knoeppel, Yao Zhen Hu, Russell Banks | 2016-02-23 |
| 8360736 | Controller for a motor and a method of controlling the motor | William Louis Mehlhorn | 2013-01-29 |
| 8354809 | Controller for a motor and a method of controlling the motor | William Louis Mehlhorn | 2013-01-15 |