Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7309993 | Three- or four-pole low-voltage power switch with Rogowski coils operating as current sensors | Thomas Driehorn, Andreas Krauss, Andreas Pancke, Ilka Redmann | 2007-12-18 |
| 7133270 | Electric power switch with an electronic memory unit for parameters and conversion factors | Thomas Driehorn, Andreas Krauss, Aron-Ernst Musiol, Andreas Pancke, Ilka Redmann | 2006-11-07 |
| 6617858 | Method and circuit for measuring a current | Ulrich Baumgaertl, Holger Hochgraef | 2003-09-09 |
| 6603649 | Electronic tripping device for a circuit breaker | Thomas Müller, Ulrich Baumgartl, Holger Hochgraef | 2003-08-05 |
| 6443518 | Separation arrangement for a self-sustained body structure | Jörg Sikorski | 2002-09-03 |
| 6279115 | Circuit arrangement for monitoring of an electric tripping device for low-voltage switches | Ulrich Baumgartl | 2001-08-21 |
| 6233129 | Undervoltage circuit breaker with an electromagnet | Ulrich Baumgartl | 2001-05-15 |
| 6150739 | Circuit configuration for supplying power to electronic tripping device | Ulrich Baumgartl | 2000-11-21 |
| 5859529 | Voltage transformer with increased electric strength | Ulrich Baumgartl | 1999-01-12 |
| 4646219 | Intrinsically safe power supply with a current regulator | — | 1987-02-24 |