Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11327039 | Monitoring of gases produced in an insulating-means circuit | Andreas Sachsenhauser | 2022-05-10 |
| 9293273 | Tap changer with vacuum interrupters | Wolfgang Albrecht, Christian Hammer, Christoph Heynen, Christian Kotz, Andreas Sachsenhauser +8 more | 2016-03-22 |
| 8738301 | Method for gas analysis of on-load tap changers | Ralf Hartwig | 2014-05-27 |
| 6518771 | Method of monitoring the contact burnoff in tap changers | Dieter Dohnal | 2003-02-11 |