Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7969139 | Rogowski sensor and method for measuring a current | Uwe Hering, Frank Thieme, Ralf-Reiner Volkmar | 2011-06-28 |
| 7449851 | Arrangement for automatically influencing a mains supply and motor drive therefor | Dieter Dohnal | 2008-11-11 |
| 6346805 | Method and configuration for current measurement | Uwe Stephan, Frank Thieme, Peter Bauerschmidt | 2002-02-12 |
| 5883508 | Voltage transformer with voltage divider for measuring voltage in medium high and high voltage installations | Axel Georgi | 1999-03-16 |