Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7285960 | Measuring device, and method for locating a partial discharge | Roland Koch | 2007-10-23 |
| 5917334 | Method and apparatus for decoupling a high-frequency error signal from a high-frequency electromagnetic field in a heavy electrical machine | Peter Grunewald, Reinhold Koziel | 1999-06-29 |
| 4897607 | Method and device for detecting and localizing faults in electrical installations | Peter Grunewald, Kurt Fork, Reinhold Koziel | 1990-01-30 |
| 4814699 | Method for partial discharge detection and breaking spark measuring in dynamo-electric high-voltage machines, and an apparatus for performing the method | Reinhold Koziel, Kurt Fork | 1989-03-21 |