Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12422177 | Mitigating compressor liquid migration and/or floodback using suction temperature sensor and/or liquid level sensor | Gregory E. Sisk, Charles P. Ketterer, Frank S. Wallis | 2025-09-23 |
| 12406820 | Multi-voltage contactors, controls, and related methods | Gregory E. Sisk, Vincent P. Fargo, Randy T. Ruiz, Bradley C. Zikes | 2025-09-02 |
| 12241935 | Redundant contactors with data-based preventive maintenance replacement indicators | — | 2025-03-04 |
| 11768019 | Controls and related methods for mitigating liquid migration and/or floodback | Gregory E. Sisk, Charles P. Ketterer, Frank S. Wallis | 2023-09-26 |
| 11764014 | Multi-voltage contactors and controls and related methods | Greg Sisk, Vince Fargo, Randy T. Ruiz, Bradley C. Zikes | 2023-09-19 |
| 11402128 | Temperature control for gas water heaters and related methods | Daniel L. Furmanek, John E. Kopp | 2022-08-02 |
| 11371751 | Gas valve control system for a water heater | — | 2022-06-28 |
| 11371752 | Gas valve control system for a water heater | — | 2022-06-28 |
| 11306954 | System for fluid pump down using valves | Jeffrey N. Arensmeier, Jacob Harris, John M. Bronson, Gregory E. Sisk, Christina M. Gillam | 2022-04-19 |
| 11098898 | Automatic pilot lighting systems | Daniel L. Furmanek, Ryan D. Jensen | 2021-08-24 |
| 10655891 | Gas valve control system for a water heater | — | 2020-05-19 |
| 9752798 | Water heater control using external temperature sensor | Thomas J. Fredricks, Rishi Siravuri | 2017-09-05 |
| 9605872 | Smart energy controlled water heater | Thomas J. Fredricks, Rishi Siravuri | 2017-03-28 |
| 9599369 | Systems and methods for controlling gas powered appliances | Daniel L. Furmanek | 2017-03-21 |
| 9574793 | Systems and methods for controlling gas powered appliances | Daniel L. Furmanek, Jeffrey N. Arensmeier | 2017-02-21 |
| 9568196 | Systems and methods for controlling gas powered appliances | Daniel L. Furmanek, Jeffrey N. Arensmeier | 2017-02-14 |
| 9410719 | Systems and methods for controlling gas powered appliances | Daniel L. Furmanek, Jeffrey N. Arensmeier | 2016-08-09 |
| 9310098 | Water heater control using external temperature sensor | Thomas J. Fredricks, Rishi Siravuri | 2016-04-12 |
| 9188363 | Smart energy controlled water heater | Thomas J. Fredricks, Rishi Siravuri | 2015-11-17 |
| 9151516 | Smart energy controlled water heater | Thomas J. Fredricks, Rishi Siravuri, Richard Miu, Lawrence J. Brazis, Richard E. Welch | 2015-10-06 |
| 7516720 | Flammable vapor sensing control for a water heater | Donald E. Donnelly, Michael Somorov | 2009-04-14 |
| 7032542 | Apparatus and methods for controlling a water heater | Donald E. Donnelly, Michael Somorov | 2006-04-25 |
| 6786231 | Fluid flow regulator with restrictor pin | Timothy E. Reitz | 2004-09-07 |
| 6133813 | Electromagnetic relay | Martin Hanke | 2000-10-17 |
| 5988204 | Adjustable fluid flow regulator | Paul E. Reinhardt, Timothy E. Reitz, Wayne A. Koopman | 1999-11-23 |