Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5991148 | Metal-enclosed gas-insulated switchgear assembly | Franz Heil | 1999-11-23 |
| 5721412 | Disconnector for a metal encapsulated, gas insulated high voltage switchgear | Herbert Schifko, Sven Forss, Jadran Kostovic | 1998-02-24 |
| 5589674 | Metal-encapsulated, gas-insulated switching installation | Ernst Berger, Franz Heil, Herbert Schifko | 1996-12-31 |
| 5578804 | Metal-enclosed gas-insulated switching installation | Ernst Berger, Franz Heil, Herbert Schifko | 1996-11-26 |
| 5484972 | High-voltage gas sealed switchgear including series connected switches and closing resistor | — | 1996-01-16 |