Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10604406 | Magnet core | Giselher Herzer | 2020-03-31 |
| 7861403 | Current transformer cores formed from magnetic iron-based alloy including final crystalline particles and method for producing same | Wulf Guenther, Joerg Petzold | 2011-01-04 |
| 7358844 | Current transformer core and method for producing a current transformer core | Wulf Guenther, Joerg Petzold | 2008-04-15 |
| 6580347 | Magnetic core that is suitable for use in a current transformer, method for the production of a magnetic core and current transformer with a magnetic core | Jörg Petzold | 2003-06-17 |
| 6563411 | Current transformer with direct current tolerance | Joerg Petzold | 2003-05-13 |
| 6507262 | Magnetic core that is suitable for use in a current transformer, method for the production of a magnetic core and current transformer with a magnetic core | Jörg Petzold | 2003-01-14 |