Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12044439 | Water heater and method of controlling same | Martin Herrs | 2024-07-23 |
| 11808485 | Tankless water heater and electronic point of use water heater comprising the same | — | 2023-11-07 |
| 11662122 | Tankless water heater system | Michael Dion, Frank Stiebel | 2023-05-30 |
| 11573031 | Tankless water heater and method of controlling a tankless water heater | Martin Herrs | 2023-02-07 |
| 11536464 | Tank water heater assembly and transport assembly | Frank Stiebel, Michael Dion | 2022-12-27 |
| 11350783 | Hot water dispenser and method for determining a boiling point of water of a hot water dispenser | — | 2022-06-07 |
| 10852009 | Water heater with a heat pump device and method for controlling a heat pump device | — | 2020-12-01 |
| 9657965 | Water heater and method of controlling a water heater | Frank Stiebel | 2017-05-23 |
| 6027336 | Gas burner for a heating furnace | Roland Merker, Martin Herrs, Rolf Naumann | 2000-02-22 |
| 5924859 | Process and circuit for controlling a gas burner | Martin Herrs | 1999-07-20 |
| 5899683 | Process and device for operating a gas burner | Martin Herrs, Roland Merker, Norbert Schwedler, Eckart Bredemeier | 1999-05-04 |
| 5811670 | Process and device for evaluating the quality of a fuel-air mixture | Martin Herrs | 1998-09-22 |