Issued Patents All Time
Showing 1–25 of 88 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8097144 | Aluminium electrowinning cell with enhanced crust | Thinh Nguyen, René Von Kaenel | 2012-01-17 |
| 8025785 | Aluminium electrowinning cells with inclined cathodes | — | 2011-09-27 |
| 7959772 | Aluminium electrowinning cells with sloping foraminate oxygen-evolving anodes | — | 2011-06-14 |
| 7935241 | Slurries for producing aluminium-based coatings | Thinh Nguyen | 2011-05-03 |
| 7846309 | Metal electrowinning cell with electrolyte purifier | Thinh Nguyen, Frank Schnyder | 2010-12-07 |
| 7846308 | Non-carbon anodes | Thinh Nguyen | 2010-12-07 |
| 7811425 | Non-carbon anodes with active coatings | Thinh Nguyen | 2010-10-12 |
| 7749363 | Aluminium electrowinning cell design with movable insulating cover sections | Georges Berclaz | 2010-07-06 |
| 7740745 | Non-carbon anodes with active coatings | Thinh Nguyen | 2010-06-22 |
| 7431812 | Surface oxidised nickel-iron metal anodes for aluminium production | Thinh Nguyen | 2008-10-07 |
| 7255893 | Protection of non-carbon anodes and other oxidation resistant components with iron oxide-containing coatings | Thinh Nguyen | 2007-08-14 |
| 7255894 | Non-carbon anodes for aluminium electrowinning and other oxidation resistant components with slurry-applied coatings | Thinh Nguyen | 2007-08-14 |
| 6998032 | Metal-based anodes for aluminium electrowinning cells | Jean-Jacques Duruz | 2006-02-14 |
| 6913682 | Cells for the electrowinning of aluminium having dimensionally stable metal-based anodes | Jean-Jacques Duruz, Olivier Crottaz | 2005-07-05 |
| 6878247 | Metal-based anodes for aluminium electrowinning cells | Jean-Jacques Duruz, Thinh Nguyen | 2005-04-12 |
| 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 |
| 6656340 | Aluminium production cell design | Jainagesh A. Sekhar | 2003-12-02 |
| 6656520 | Surface coated non-carbon metal-based anodes for aluminum production cells | — | 2003-12-02 |
| 6638412 | Prevention of dissolution of metal-based aluminium production anodes | Jean-Jacques Duruz | 2003-10-28 |
| 6607657 | Carbon-containing components of aluminium production cells | Jainagesh A. Sekhar | 2003-08-19 |
| 6572757 | Method for producing aluminum and electrolytic cell with improved alumina feed device | Georges Berclaz | 2003-06-03 |