Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4465578 | Apparatus for the precise adjustment of the anode plane of an electrolysis cell used in the production of aluminum | Daniel Duclaux, Roger Boinet, Jean Baghe | 1984-08-14 |
| 4437964 | Assembly for spot feeding alumina to an electrolytic tank for the production of aluminum | Claude Wolter | 1984-03-20 |
| 4431491 | Process and apparatus for accurately controlling the rate of introduction and the content of alumina in an igneous electrolysis tank in the production of aluminium | Paul Bonny, Gerard J. P. B. Laboure, Maurice Keinborg, Pierre Homsi, Bernard Langon | 1984-02-14 |