Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8816237 | Interrupting chamber for high-voltage circuit breaker with improved arc blow-out | — | 2014-08-26 |
| 8044318 | Interrupting chamber of a circuit-breaker having two compression volumes | Dan Penache, Michel Tresy, Michel Perret | 2011-10-25 |
| 7964816 | Interrupting chamber having two compression chambers | Michel Perret | 2011-06-21 |
| 6849819 | High-voltage or medium-voltage switch device with combined vacuum and gas breaking | Michel Tresy, Michel Perret | 2005-02-01 |
| 6744001 | High-voltage circuit-breaker including a valve for decompressing a thermal blast chamber | Michel Perret | 2004-06-01 |
| 6624371 | Circuit-breaker including a channel for emptying the piston-driven compression chamber | Wolfgang Grieshaber, Michel Perret | 2003-09-23 |
| 6593538 | High-voltage interrupter device having combined vacuum and gas interruption | Michel Perret | 2003-07-15 |
| 6483064 | Insulating blast nozzle for a circuit breaker | Wolfgang Grieshaber, Michel Perret | 2002-11-19 |
| 6472629 | Puffer switch having a two-volume break chamber | — | 2002-10-29 |
| 6180907 | Limiter device for a high voltage circuit breaker having a grounded metal tank | — | 2001-01-30 |
| 5668360 | Circuit-breaker having two interrupting chambers per pole with drive mechanism and drive rods isolating insert capacitors | Michel Perret, Joseph Martin | 1997-09-16 |
| 5600111 | Circuit-breaker having low self-compression | — | 1997-02-04 |
| 5373131 | Puffer circuit-breaker with two concentric interrupting chambers | Michel Perret | 1994-12-13 |
| 5258590 | Medium- or high-tension circuit breaker having abutting arcing contacts | Michel Perret | 1993-11-02 |
| 5179257 | Medium-voltage gas circuit-breaker | Michel Perret | 1993-01-12 |
| 5162627 | Medium or high tension circuit breaker having abutting arcing contacts | Bernard Joyeux-Bouillon, Jean Maineult, Michel Perret | 1992-11-10 |
| 5160818 | Series-arc high tension circuit-breaker | Michel Perret | 1992-11-03 |
| 5155313 | Medium tension circuit-breaker | Michel Perret | 1992-10-13 |
| 5155314 | Medium or high tension circuit breaker having end-to-end arcing contacts | Michel Perret | 1992-10-13 |
| 5126516 | Puffer-type medium or high tension circuit breaker | Edmond Thuries, Michel Perret | 1992-06-30 |
| 5001314 | High tension circuit-breaker having a dielectric gas under pressure | Edmond Thuries, Michel Perret | 1991-03-19 |
| 4996398 | Medium tension circuit breaking having high nominal current | Michel Perret | 1991-02-26 |
| 4996399 | High or medium tension circuit breaker | Edmond Thuries, Michel Perret | 1991-02-26 |
| 4992634 | Medium tension gas blast circuit breaker | Edmond Thuries, Michel Perret | 1991-02-12 |
| 4983791 | High tension circuit breaker having a dielectric blast gas | Edmond Thuries, Michel Perret | 1991-01-08 |