Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9941064 | On-load tap changer, tap-changing transformer for voltage regulation and method for implementing tap changer in the tap-changing transformer | Christian Hammer, Andreas Sachsenhauser, Max Weidinger, Thomas Schuster | 2018-04-10 |
| 8947188 | Tap changer and vacuum interrupter for such a tap changer | Christian Hammer, Wolfgang Albrecht, Christian Pircher, Sebastian Rehkopf, Andreas Sachsenhauser +7 more | 2015-02-03 |