Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9790815 | Method for operating a thermodynamic cycle, and thermodynamic cycle | Jörg Lengert, Martina Lengert | 2017-10-17 |
| 8147217 | Pump device | Jörg Lengert, Norbert Weinberg | 2012-04-03 |
| 6131335 | Device for operating blinds with assisted force | — | 2000-10-17 |