Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12385957 | Method for computing an insulation resistance in an ungrounded DC power supply system at a changeable DC line voltage | — | 2025-08-12 |
| 11818859 | Carrier-rail bus assembly with automatic bus addressing | Matthias Becker, Oliver Schaefer, Michael Prinz-Weinel | 2023-11-14 |
| 11353486 | Circuit arrangement having an active measuring voltage for determining an insulation resistance against ground potential in an ungrounded power supply system | Oliver Schaefer | 2022-06-07 |
| 10753984 | Method and measurement arrangement for monitoring a production process of a modularly set-up voltage source | Oliver Schaefer, Frank Mehling, Steffen Kreuder | 2020-08-25 |
| 10530149 | Methods for detecting an interruption of an active conductor in an ungrounded direct-voltage power supply system | Dieter Hackl | 2020-01-07 |
| 10126345 | Device and method for insulation monitoring in a power supply system including a high-resistance grounded neutral point | Dieter Hackl, Eckhard Broeckmann | 2018-11-13 |
| 9632131 | Method for monitoring and measuring an insulation resistance with interference-resistant measuring signal | Eckhard Broeckmann, Dieter Hackl | 2017-04-25 |
| 9157944 | Method and a device for impressing a measuring-signal voltage on a power supply network | Dieter Hackl | 2015-10-13 |