Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11204498 | Optical element with a fresnel structure, and display device with such an optical element | Christoph Menke, Wolfgang Singer, Norbert Kerwien | 2021-12-21 |
| 11195672 | Switch element for tap changer, and tap changer | Stefan Herold, Klaus Hoepfl | 2021-12-07 |
| 11120962 | Load transfer switch for an on-load tap changer and continuous main switch and disconnecting switch for same | Silke Wrede, Gregor Wilhelm, Christian Hammer | 2021-09-14 |