Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6800192 | Cells for the electrowinning of aluminium having dimensionally stable metal-based anodes | Jean-Jacques Duruz | 2004-10-05 |
| 6797148 | Drained-cathode aluminium electrowinning cell with improved electrolyte circulation | — | 2004-09-28 |
| 6783656 | Low temperature operating cell for the electrowinning of aluminium | Jean-Jacques Duruz | 2004-08-31 |
| 6692620 | Aluminium electrowinning cell with sidewalls resistant to molten electrolyte | Jean-Jacques Duruz, Georges Berclaz | 2004-02-17 |
| 6682643 | Aluminium electrowinning cells having a V-shaped cathode bottom and method of producing aluminium | — | 2004-01-27 |