Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4713161 | Device for connection between very high intensity electrolysis cells for the production of aluminium comprising a supply circuit and an independent circuit for correcting the magnetic field | Bernard Langon, Michel Leroy | 1987-12-15 |
| 4696730 | Circuit for the electrical connection of rows of electrolysis cells for the production of aluminum at very high current | Bernard Langon | 1987-09-29 |
| 4592821 | Electrolysis tank with a current strength of greater than 250,000 amperes for the production of aluminum by means of the Hall-Heroult process | Maurice Keinborg, Bernard Langon | 1986-06-03 |