Issued Patents All Time
Showing 26–50 of 88 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6540887 | Aluminum electrowinning cells with oxygen-evolving anodes | — | 2003-04-01 |
| 6533909 | Bipolar cell for the production of aluminium with carbon cathodes | Jean-Jacques Duruz | 2003-03-18 |
| 6521115 | Nickel-iron alloy-based anodes for aluminium electrowinning cells | Jean-Jacques Duruz, Olivier Crottaz | 2003-02-18 |
| 6521116 | Cells for the electrowinning of aluminium having dimensionally stable metal-based anodes | Jean-Jacques Duruz, Olivier Crottaz | 2003-02-18 |
| 6455107 | Prevention of oxidation of carbonaceous and other materials at high temperatures | Jainagesh A. Sekhar | 2002-09-24 |
| 6455097 | Method and apparatus for applying a treating liquid to a porous body | Georges Berclaz, Gaynor Johnston | 2002-09-24 |
| 6436274 | Slow consumable non-carbon metal-based anodes for aluminium production cells | Jean-Jacques Duruz | 2002-08-20 |
| 6436273 | Drained cathode aluminium electrowinning cell with alumina distribution | Jean-Jacques Duruz | 2002-08-20 |
| 6425992 | Surface coated non-carbon metal-based anodes | — | 2002-07-30 |
| 6413406 | Electrocatalytically active non-carbon metal-based anodes for aluminium production cells | — | 2002-07-02 |
| 6402928 | Aluminium production cell with an insulating cover having individually removable sections | Jainagesh A. Sekhar | 2002-06-11 |
| 6402926 | Application of refractory protective coatings on the surface of electrolytic cell components | Jaihagesh A. Sekhar | 2002-06-11 |
| 6379526 | Non-carbon metal-based anodes for aluminium production cells | Jean-Jacques Duruz | 2002-04-30 |
| 6372099 | Cells for the electrowinning of aluminium having dimensionally stable metal-based anodes | Jean-Jacques Duruz | 2002-04-16 |
| 6365018 | Surface coated non-carbon metal-based anodes for aluminium production cells | — | 2002-04-02 |
| 6361680 | Ultrastable cell component for aluminum production cells and method | Jainagesh Sekhar | 2002-03-26 |
| 6361681 | Slurry for coating non-carbon metal-based anodes for metal production cells | Jean-Jacques Duruz | 2002-03-26 |
| 6358393 | Aluminum production cell and cathode | Georges Berclaz | 2002-03-19 |
| 6338785 | Start-up of aluminum electrowinning cells | Jainagesh A. Sekhar, Jean-Jacques Duruz, James Jeng Liu | 2002-01-15 |
| 6287447 | Method of producing aluminum in a drained cathode cell | Jainagesh A. Sekhar | 2001-09-11 |
| 6248227 | Slow consumable non-carbon metal-based anodes for aluminium production cells | Jean-Jacques Duruz | 2001-06-19 |
| 6228424 | Method and apparatus for impregnation of porous bodies for protection against oxidation | Jean-Jacques Duruz, Georges Berclaz | 2001-05-08 |
| 6194096 | Carbon bodies resistant to deterioration by oxidizing gases | Jainagesh A. Sekhar, Jean-Jacques Duruz | 2001-02-27 |
| 6180182 | Hard and abrasion resistant surfaces protecting cathode blocks of aluminium electrowinning | Jainagesh A. Sekhar | 2001-01-30 |
| 6139704 | Application of refractory borides to protect carbon-containing components of aluminum production cells | Jainagesh A. Sekhar | 2000-10-31 |