Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5287382 | Wall electrode for a DC electric metallurgical furnace | Philippe Destannes, Ghislain Maurer, Christian Lebrun | 1994-02-15 |
| 5125003 | Bottom electrode cooled sleeve for a metallurgical container | Michel Hamy, Ghislain Maurer, Christian Lebrun | 1992-06-23 |
| RE32192 | Refractory piece permeable to gases | Pierre Vayssiere, Charles Roederer, Roland Grave, F. Schleimer, F. Goedert +3 more | 1986-06-24 |
| 4562961 | Nozzle end-piece for hot guniting | Claude Guenard, Hugues Zanetta | 1986-01-07 |
| 4403768 | Bottom of metallurgical container and process of forming the same | Jean-Marie Landry | 1983-09-13 |
| 4397684 | Process for pneumatic stirring of a bath of molten metal | — | 1983-08-09 |
| 4382817 | Process for periodically and pneumatically stirring a bath of molten metal | Pierre Vayssiere | 1983-05-10 |
| 4369060 | Process of refining of a metal bath in a crucible with oxygen blast at the top and crucible used | Paul Metz, Francois Schleimer, Ferdinand Goedert, Lucien Lorang, Romain Henrion +2 more | 1983-01-18 |
| 4348013 | Device of refractory porous material for blowing gas into a bath of liquid metal | Roland Grave | 1982-09-07 |
| 4340208 | Refractory piece permeable to gases | Pierre Vayssiere, Charles Roederer, Roland Grave, F. Schleimer, F. Goedert +3 more | 1982-07-20 |