Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12106914 | Induction-controlled switch having a vacuum bulb for reducing vibrations | Florent Robert | 2024-10-01 |
| 11798763 | Current cut-off device for high-voltage direct current with resonator and switching | Yang Yang, Pierre Legendre | 2023-10-24 |
| 9373473 | Mechatronic circuit breaker device and associated tripping method and use thereof in interrupting a high direct current | Jean-Pierre Dupraz, Michel Collet | 2016-06-21 |
| 9094009 | Method of opening a bypass switch of a high voltage direct current network | Jean-Pierre Dupraz | 2015-07-28 |
| 8994483 | Electromagnetic actuator comprising permanent magnets and mechanical load interrupter actuated by such an actuator | Jean-Pierre Dupraz, Michel Collet | 2015-03-31 |
| 8866486 | Device for detecting and locating electric discharges in fluid-insulated electrical equipment | Alain Fanget | 2014-10-21 |
| 8530774 | High voltage circuit breaker with improved gas exhaust | Roger Ledru, Steven G. Grosick, Nicklas Davison | 2013-09-10 |
| 8232497 | Relief valve for discharging a dielectric gas between two volumes of a high-voltage or medium-voltage interrupting chamber | Cyril Gregoire, Roger Ledru | 2012-07-31 |
| 8063335 | Gas exhaust for circuit breaker | Victor Hermosillo, Charles R. Hilland, Daniel Schiffbauer | 2011-11-22 |
| 7880104 | Control device for controlling electrical switchgear | Jean-Pierre Dupraz, Olivier Grejon, Alain Fanget, Xavier Allaire, Michel Collet | 2011-02-01 |
| 6987234 | Circuit breaker comprising a control assembly and interrupting chamber and method of assembly | Roger Ledru | 2006-01-17 |
| 6624371 | Circuit-breaker including a channel for emptying the piston-driven compression chamber | Denis Dufournet, Michel Perret | 2003-09-23 |
| 6483064 | Insulating blast nozzle for a circuit breaker | Denis Dufournet, Michel Perret | 2002-11-19 |