Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6022202 | Spiral vacuum pump having a toothed circular translation movement limiter device | Daniel Pottier | 2000-02-08 |
| 5951268 | Sperial vacuum pump having a metal bellows for limiting circular translation movement | Daniel Pottier | 1999-09-14 |
| 5178024 | Metal bellows type sealed rotary transmission device | Daniel Pottier | 1993-01-12 |
| 4892010 | Sealed transmission device using metal bellows, suitable for quarterturn valves | Daniel Pottier, Paul Vulliez | 1990-01-09 |