Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9683540 | Electric unit for a pumped-storage power plant having components within and outside of an underground cavern | Friedrich Winkler, Stefan Linder | 2017-06-20 |
| 9657709 | Method for using an electric unit | Claes Hillberg, Peter Steimer | 2017-05-23 |