Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11996251 | Gas insulating device with anti-liquification means | Yannick Kieffel, Thomas Berteloot | 2024-05-28 |
| 11462377 | Electric arc-blast nozzle made of a material comprising micro-capsules of liquid (CF3)2CFCN and a circuit breaker including such a nozzle | Yannick Kieffel | 2022-10-04 |
| 11017919 | Medium-voltage or high-voltage electrical device having low-thickness hybrid insulation | David Gautschi, Robert Luescher, Yannick Kieffel | 2021-05-25 |
| 10770198 | Method and facility for filling a gas-insulated electrical apparatus comprising a mixture of (CF3)2CFCN and CO2 | Yannick Kieffel, Jacques Porte | 2020-09-08 |
| 10643764 | Gas-insulated electrical apparatus filled with a dielectric gas | Yannick Kieffel, Sébastien Silvant | 2020-05-05 |
| 8264803 | Alternator circuit-breaker with an inserted resistance | Jean-Marc Willieme, Denis Frigiere | 2012-09-11 |
| 8081407 | Compact disconnector circuit-breaker for an alternator | Jean-Marc Willieme, Denis Frigiere | 2011-12-20 |
| 6492609 | Power station switch with a radiator/heat-exchanger | Jean-Marc Willieme | 2002-12-10 |
| 6400244 | Control apparatus for electrical switchgear | Dario BERGAMO | 2002-06-04 |
| 6339202 | Composite material insulative jacket for generator circuit-breakers | Henri Ardyna, Marc Durieu | 2002-01-15 |
| 6329615 | Device for interlocking the manual actuation of a switch with the help of locks | — | 2001-12-11 |
| 6121566 | Switchgear for a power station generator and a transformer, with a three-position disconnector connected to the transformer | Jean-Marc Willieme | 2000-09-19 |
| 6118257 | Switchgear for a power station generator and a transformer with a three-position disconnector | Jean-Marc Willieme | 2000-09-12 |
| 6005307 | Switching system including a current-injecting disconnector integrated in a circuit breaker for a generator | Yves Astic, Jean-Marc Willieme | 1999-12-21 |
| 5936213 | Operating mechanism for a five-pole phase inverter isolating switch | Jean-Marc Willieme | 1999-08-10 |
| 5216214 | High- and medium-voltage gas blast circuit breaker | Jean-Marc Willieme | 1993-06-01 |