Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9041402 | Detecting an abnormality of a switch in a high voltage electrical substation | Patrick Lalonge | 2015-05-26 |
| 5296661 | Hybrid circuit-breaker for interrupting currents having high dc components | Van Doan Pham, Armand Scarato, Jean-Pierre Arandel | 1994-03-22 |
| 5276285 | High rupture capacity circuit-breaker | Van Doan Pham, Joseph Martin, Robert Isbister | 1994-01-04 |
| 5235147 | SF.sub.6 circuit-breaker incorporating both a varistor and a capacitor | Van Doan Pham, Joseph Martin | 1993-08-10 |
| 4829149 | Sulfur hexafluoride high-tension circuit-breaker having high performance at any temperature | Daniel Demissy, Michel Landry | 1989-05-09 |
| 4739137 | High voltage sulfur hexafluoride circuit-breaker capable of operating at low outside temperatures | Daniel Demissy, Guy Saint-Jean, Michel Landry | 1988-04-19 |
| 4736080 | Puffer type liquefied-gas self-injection circuit breaker | Guy St-Jean, Michel Landry, Daniel Demissy | 1988-04-05 |
| 4711978 | Sulfur hexafluoride circuit-breaker for operating in a very low temperature environment | Daniel Demissy, Guy Saint-Jean, Michel Landry | 1987-12-08 |