Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5316270 | Device for the charging of materials into a furnace and the preheating of these | Michel Hamy, Christian Lebrun, Jean-Michel Thebault, Jacques Michelet, Jean-Luc Roth | 1994-05-31 |
| 5287382 | Wall electrode for a DC electric metallurgical furnace | Philippe Destannes, Jean-Claude Grosjean, Christian Lebrun | 1994-02-15 |
| 5153896 | Metallurgical vessel equipped with at least one electrode passing through its wall | Michel Hamy, Christian Lebrun, Jean-Michel Thebault, Philippe Destannes | 1992-10-06 |
| 5125003 | Bottom electrode cooled sleeve for a metallurgical container | Michel Hamy, Christian Lebrun, Jean-Claude Grosjean | 1992-06-23 |
| 5050185 | Process and apparatus for measuring the instability of an arc in an electrical arc furnace for processing liquid metal | Michel Bourge, Gilbert Engler | 1991-09-17 |
| 4982411 | Wall electrode for direct current powered electric arc furnace | Jacques Michelet | 1991-01-01 |
| 4685112 | Electrical connection device intended to be placed through the wall of an electrical direct-current metallurgical furnace | Jacques Michelet | 1987-08-04 |
| 4646316 | Electric connecting device for contacting a molten metallic mass | Jacques Michelet | 1987-02-24 |
| 4587660 | Direct-current metallurgical arc furnace and method of melting with same | Jean-Pierre Motte | 1986-05-06 |
| 4549301 | Direct-current electric-arc furnace and method of operating same | Jean-Pierre Motte | 1985-10-22 |