Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6734698 | Radio frequency oscillation detector | — | 2004-05-11 |
| 5917334 | Method and apparatus for decoupling a high-frequency error signal from a high-frequency electromagnetic field in a heavy electrical machine | Peter Grunewald, Jurgen Weidner | 1999-06-29 |
| 5814998 | Device and method for locating partial discharges with detachable coupling units | Peter Gruenewald, Juergen Weidner, Gerhard Schimmelpfennig | 1998-09-29 |
| 4897607 | Method and device for detecting and localizing faults in electrical installations | Peter Grunewald, Kurt Fork, Jurgen Weidner | 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 | Kurt Fork, Jurgen Weidner | 1989-03-21 |
| 4779051 | Coupling unit for the operative monitoring of the high-voltage wingings and the connected output leads in electric high-voltage machines and apparatus, by means of partial discharge determination and breakdown spark measurement | Peter Grunewald | 1988-10-18 |