Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4774387 | Dielectric gas high-tension circuit-breaker having a closure resistance | — | 1988-09-27 |
| 4700029 | High-tension circuit-breaker having arc-extinguishing gas under pressure | — | 1987-10-13 |
| 4678877 | Operating mechanism for a circuit-breaker, and a circuit-breaker fitted with the mechanism | — | 1987-07-07 |
| 4612428 | Compressed gas circuit breaker able to be assembled and disassembled without a significant loss of gas | — | 1986-09-16 |
| 4609798 | Means for assembling two enclosures of an electrical cutout apparatus | — | 1986-09-02 |
| 4467157 | Pressurized gas circuit breaker including two V-mounted breaker chambers per phase | Doan Pham Van | 1984-08-21 |
| 4439651 | Pressurized gas circuit-breaker having opening and closing resistors | Edmond Thuries, Doan Pham Van | 1984-03-27 |
| 4421962 | Compressed gas circuit-breaker | Edmond Thuries, Pierre-Paul Sigward, Marcel Besson, Doan P. Van | 1983-12-20 |
| 4386250 | Device for separably assembling two enclosures of a cut-out apparatus containing fluid under pressure | — | 1983-05-31 |
| 4338500 | Device for switching in a resistance when a circuit breaker closes a circuit | Doan Pham Van | 1982-07-06 |