Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8603214 | Modifying flux for molten aluminium | Philippe Kientzler, Kerstin Loebbers | 2013-12-10 |
| 6045023 | Yarn multiple supply device for a machine | — | 2000-04-04 |
| 4773980 | Process and apparatus for sealing cathodic bars in a prestressed condition | Gabriel Audras | 1988-09-27 |
| 4654133 | Hall-Heroult electrolysis tank with asymmetrical cathodic bars and heat insulation | Spyridon Casdas, Bernard Langon | 1987-03-31 |