Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8502101 | Circuit breaker | Martin Seeger, Michael Schwinne, Arthouros Iordanidis | 2013-08-06 |
| 8148660 | Gas-insulated high-voltage circuit breaker with a relief duct which is controlled by an overflow valve | Martin Seeger, Arthouros Iordanidis, Christian Franck | 2012-04-03 |
| 6720858 | Fuse | Uwe Kaltenborn | 2004-04-13 |
| 6654220 | Method for protection of an electrical power line | Michael Stanimirov, Bernhard Deck, Walter Rueegg, Klaus-Dieter Weltmann, Ralf-Dieter Pietsch | 2003-11-25 |
| 6633004 | Support insulator | Christoph Heitz, Marco Piemontesi | 2003-10-14 |
| 6437273 | Hybrid circuit breaker | Joachim Stechbarth, Kurt Kaltenegger, Werner Hofbauer, Max Claessens, Klaus-Dieter Weltmann +1 more | 2002-08-20 |
| 6320149 | Current contact system for a current switch | — | 2001-11-20 |
| 6252190 | Electrical high speed circuit breaker with explosive charges including ablative arc extinguishing material | — | 2001-06-26 |
| 6163001 | Puffer type circuit breaker with arcing chamber, auxiliary shunting contacts and exhaust structure with pressure relief valves | Lukas Zehnder, Kurt Kaltenegger, Thomas Schoenemann, Gunter Speckhofer | 2000-12-19 |
| 6107590 | Circuit-breaker with an explosive charge ignited during opening operation | Jorgen Skindhoj, Bodo Bruhl, Kurt Kaltenegger, Lorenz Müller, Thomas Schoenemann +1 more | 2000-08-22 |
| 5925863 | Power breaker | Lukas Zehnder, Kurt Kaltenegger, Lorenz Müller | 1999-07-20 |
| 5844189 | Circuit breaker having contacts with erosion-resistant covering | — | 1998-12-01 |
| 5828026 | Stock giving off arc-extinguishing gas, and gas-blast circuit breaker comprising such a stock | Bodo Bruhl, Elias Julke, Kurt Kaltenegger, Leopold Ritzer | 1998-10-27 |
| 5770828 | Power circuit-breaker | — | 1998-06-23 |
| 5663544 | Switching device having a vacuum circuit-breaker shunt connected with a gas-blast circuit breaker | — | 1997-09-02 |
| 5136236 | Arrangement for voltage measurement in a GIS installation | Klaus Bohnert, Hubert Brandle, Roland Stierlin | 1992-08-04 |
| 4843199 | Gas-blast circuit breaker | — | 1989-06-27 |
| 4764836 | Circuit breaker | Gerhard Mauthe, Friedrich Pinnekamp, Norbert Wiegart | 1988-08-16 |
| 4689453 | Gas-blast switch | Imre Horvath, Wolfgang Widl | 1987-08-25 |
| 4684773 | Gas-blast switch | — | 1987-08-04 |
| 4486632 | High-voltage power switch | Blaise Perrenoud, Klaus Ragaller, Ekkehard Schade, Rolf Schaumann | 1984-12-04 |
| 4431878 | Compression piston switch | Klaus Ragaller | 1984-02-14 |
| 4420662 | Compressed-gas circuit breaker | Klaus Ragaller | 1983-12-13 |
| 4345127 | High-voltage, blast-actuated power switch having a collapsible contact | — | 1982-08-17 |
| 4319527 | Blasting charge for a blast actuated high-voltage power switch | Klaus Ragaller | 1982-03-16 |