Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5985628 | Generator switch | Ahmed Adel, Walter Weber | 1999-11-16 |
| 5889248 | Operating mechanism for combined interrupter disconnect switch | Willie B. Freeman, Jeffry R. Meyer, Thomas Hertig, Anthony S. Masarik | 1999-03-30 |
| 5760358 | Hydraulic device for operating a drive piston for a moving component | — | 1998-06-02 |
| 5750949 | Metal-encapsulated, gas-insulated high-voltage circuit-breaker | Volker Rees, Martin Schumacher | 1998-05-12 |
| 5584180 | Hydraulic device for operating at least one linearly movable component | Rudi Weingartner | 1996-12-17 |
| 5476030 | Hydraulic device for a hydraulic drive for a high-tension circuit-breaker | — | 1995-12-19 |
| 5419236 | Method for controlling a hydraulic drive and configuration for carrying out the method | — | 1995-05-30 |
| 4716812 | Hydraulic drive | Gerhard Koerner, Edelwald Lutz, Egon Orth, Rudi Weingaertner | 1988-01-05 |
| 4654492 | Switch drive | Gerhard Koerner, Walter Hahn | 1987-03-31 |
| 4623134 | Hydraulic accumulator for providing pressurized fluid | Gerhard Korner, Edelwald Lutz | 1986-11-18 |
| 4611634 | High pressure accumulator | Wilfried Kruckewitt | 1986-09-16 |
| 4581510 | Drive for a high-tension circuit breaker | Walter Bischofberger, Kristof Zakowski, Norbert Zeller | 1986-04-08 |
| 4511775 | Circuit breaker | Gerhard Korner, Walter Viering, Volker Rees | 1985-04-16 |
| 4458120 | High-voltage circuit breaker | Gerhard Korner | 1984-07-03 |