Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D978305 | Heat pump | Winfried Werthmann, Stefan Andreesen | 2023-02-14 |
| D962402 | Water heater [electric] | Wilfried Werthmann, Stefan Andreesen | 2022-08-30 |
| D764028 | Shower control | Tom Schoenherr, Marco Flaig | 2016-08-16 |
| D763410 | Shower control | Tom Schoenherr, Marco Flaig | 2016-08-09 |