Issued Patents All Time
Showing 26–50 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5117701 | Screw-and nut type member for transmitting rotary motion | Jean-Paul Masson, Roger Goutte | 1992-06-02 |
| 5107715 | Circuit breaker drive mechanism | — | 1992-04-28 |
| 5089665 | Metal-clad electricity line and method of manufacturing it | — | 1992-02-18 |
| 5089931 | Safety device for electrical apparatus containing a dielectric gas, in particular circuit breakers or voltage-droppers for measurement purposes | Jean-Pierre Dupraz, Jean-Paul Moncorge, Jean-Marc Willieme, Joseph Martin, Yves Perrusset +1 more | 1992-02-18 |
| 5072083 | Grounded gas blast circuit breaker/isolating switch with visual inspection assembly | Joseph Martin, Van Doan Pham, Jean Bonnaire | 1991-12-10 |
| 5001314 | High tension circuit-breaker having a dielectric gas under pressure | Denis Dufournet, Michel Perret | 1991-03-19 |
| 4996399 | High or medium tension circuit breaker | Denis Dufournet, Michel Perret | 1991-02-26 |
| 4992634 | Medium tension gas blast circuit breaker | Michel Perret, Denis Dufournet | 1991-02-12 |
| 4983791 | High tension circuit breaker having a dielectric blast gas | Denis Dufournet, Michel Perret | 1991-01-08 |
| 4983789 | High- and medium-voltage gas circuit breakers | — | 1991-01-08 |
| 4968875 | Cell for a medium or high tension metaclad station, and a station made up of such cells | — | 1990-11-06 |
| 4956903 | Method of producing an insulating bushing free from any risk of explosion | — | 1990-09-18 |
| 4945197 | High tension circuit breaker including a dielectric gas used for blasting | Denis Dufournet, Michel Perret | 1990-07-31 |
| 4945198 | High tension circuit breaker with low operating energy | Denis Dufournet, Michel Perret | 1990-07-31 |
| 4940961 | Braking resistor for a high tension electrical network | Van Doan Pham, Roger Ledru | 1990-07-10 |
| 4884166 | Electricity station | Jean-Paul Masson | 1989-11-28 |
| 4880946 | High-or medium-tension compressed-gas circuit breaker taking circuit-breaking energy from the arc | Denis Dufournet, Michel Perret | 1989-11-14 |
| 4841788 | Energy storage device with zero latching force | Michel Perret, Jean-Paul Masson | 1989-06-27 |
| 4774388 | Compressed dielectric gas circuit breaker | Denis Dufournet, Satoru Yanabu, Michel Perret | 1988-09-27 |
| 4754109 | Compressed dielectric gas high-tension circuit breaker | Denis Dufournet, Satoru Yanabu, Michel Perret | 1988-06-28 |
| 4743721 | Circuit breaker actuator device | Jean-Paul Masson, Michel Perret, Satoru Yanabu | 1988-05-10 |
| 4715834 | Connector for a telescopic isolating switch | Jean-Paul Masson, Louis Malik | 1987-12-29 |
| 4698469 | Sulfur hexafluoride circuit breaker operating in a very low temperature environment | Van Doan Pham | 1987-10-06 |
| 4670973 | Method of making an insulating stay | Pierre Dumont | 1987-06-09 |
| 4665289 | Puffer type gas insulated circuit breaker | Satoru Yanabu, Hitoshi Mizoguchi, Hisatoshi Ikeda, Katsumi Suzuki, Mitsuru Toyoda | 1987-05-12 |