Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11545313 | Load transfer switch for on-load tap changer, and on-load tap changer | Klaus Hoepfl, Silke Wrede, Eduard Schmidt, Stefan Herold, Elke Wuersching | 2023-01-03 |
| 11120962 | Load transfer switch for an on-load tap changer and continuous main switch and disconnecting switch for same | Eduard Schmidt, Silke Wrede, Christian Hammer | 2021-09-14 |
| 10192693 | Tap changer, force-storage unit, and controlled-backlash coupling therebetween | Stefan Herold, Klaus Hoepfl, Abraham Ahmadi | 2019-01-29 |
| 8869641 | Indexing gear train for on-load tap changers of step transformers | Klaus Hoepfl | 2014-10-28 |
| 8748758 | On-load tap changer with energy storage mechanism | Klaus Hoepfl, Silke Wrede | 2014-06-10 |
| 7652218 | Energy store | Klaus Hoepfl, Silke Wrede | 2010-01-26 |