Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9557753 | Method for regulating the voltage of a transformer | Helmut Proelss, Karsten Viereck | 2017-01-31 |
| 9484146 | High voltage transformer having a sensor system, method for monitoring physical characteristic variables of a high voltage transformer and sensor system for monitoring physical characteristic variables | Frank Micksch | 2016-11-01 |
| 7468091 | Method for dehumidifying air and air dehumidifier for oil-insulated transformers, reactance coils and step switches | Karsten Viereck, Dieter Dohnal, Reiner Brill | 2008-12-23 |