Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6100674 | Method of monitoring a tap changer | Christian Heudecker, Karsten Viereck | 2000-08-08 |
| 6091032 | Tap changer | Klaus Hopfl, Silke Wrede | 2000-07-18 |
| 6087607 | Position signalling device | Josef Neumeyer | 2000-07-11 |
| 6060669 | Tap selector | Klaus Hopfl, Silke Wrede | 2000-05-09 |
| 5786552 | Switching arrangement for load change-over switches of step switches and for selector switches | Hans-Henning Lessmann-Mieske, Josef Neumeyer, Leonhard Pillmeier | 1998-07-28 |
| 5773970 | Tap changer with tickler coil for arcless tap changing | Hans-Henning Lessmann-Mieske | 1998-06-30 |
| 5736827 | Motor driven step switch | Peter Okanik, Manfred Stadelmayer | 1998-04-07 |
| 5694034 | Tap changer for a tapped or stepped transformer | Hans-Henning Lessmann-Mieske | 1997-12-02 |
| 5523674 | Step switch | Josef Neumeyer, Wolfgang Albrecht, Gunter Kloth, Rolf Lauterwald, Hans-Henning Lessmann-Mieske | 1996-06-04 |
| 5516992 | Transformer tap changing and step switch assembly | Josef Neumeyer | 1996-05-14 |
| 5374781 | Contact assembly for selector of step transformer | Leonhard Pillmeier | 1994-12-20 |
| 5266759 | Actuator for a step-transformer load switch | Josef Neumeyer | 1993-11-30 |
| 5165295 | End stop for stepper for step-type transformer | Gunter Kloth | 1992-11-24 |
| 5128605 | Monitoring system for step-type switching transformer | Kurt Kugler | 1992-07-07 |
| 5107200 | Load switch for a step transformer | Josef Neumeyer | 1992-04-21 |