| 4993691 |
Oxygen injection lance |
Robert Mousel, Carlo Lux, Francois Knaff, Henri Klein, Carlo Heintz +2 more |
1991-02-19 |
| 4971297 |
Nozzle for refining lance |
Henri Klein, Francois Knaff, Robert Mousel, Michel Decker, Carlo Heintz +4 more |
1990-11-20 |
| 4779846 |
Method of improving permeability of metallurgical vessels, and material for implementing the same |
Guy Denier |
1988-10-25 |
| 4767036 |
Apparatus and method for emptying metallurgical vessels containing metal and slag |
Francois Schleimer, Jean Goedert, Ferdinand Goedert, Fernand Thill, Henri Klein +1 more |
1988-08-30 |
| 4735398 |
Method of improving the service life of permeable refractory elements in bottoms of metallurgical vessels |
Guy Denier |
1988-04-05 |
| 4730813 |
Oxygen nozzle for metal refining |
Andre Bock, Jean Liesch, Carlo Heintz, Henri Klein |
1988-03-15 |
| 4730784 |
Oxygen blast nozzle |
Andre Bock, Jean Liesch, Carlo Heintz, Henri Klein |
1988-03-15 |
| 4696456 |
Method of improving permeability of metallurgical vessels, and material for implementing the same |
Guy Denier |
1987-09-29 |
| 4690386 |
Method of improving the service life of permeable refractory elements in bottoms of metallurgical vessels |
Guy Denier |
1987-09-01 |
| 4524958 |
Apparatus for closing the discharge aperture of a metallurgical vessel |
Jean Goedert, Fernand Thill, Henri Klein, Jean Liesch, Jean Peckels |
1985-06-25 |
| 4439234 |
Method of increasing the cold material charging capacity in the top-blowing production of steel |
Francois Schleimer, Ferdinand Goedert, Fernand Thill |
1984-03-27 |
| 4434005 |
Method of and apparatus for refining a melt containing solid cooling material |
Paul Metz, Francois Schleimer, Ferdinand Goedert, Henri Klein, Jean Liesch |
1984-02-28 |
| 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, Jean-Claude Grosjean +2 more |
1983-01-18 |
| 4349382 |
Process for refining of a bath of metal containing cold solid substances |
Francois Schleimer, Ferdinand Goedert, Lucien Lorang |
1982-09-14 |
| 4345746 |
Apparatus for refining ferrous melt with slag conditioning |
Francois Schleimer, Ferdinand Goedert, Lucien Lorang, Jean Baumert |
1982-08-24 |
| 4334922 |
Process for metal-bath refining |
Paul Metz, Francois Schleimer, Lucien Lorang, Ferdinand Goedert, Fernand Thill |
1982-06-15 |
| 4325730 |
Process for conditioning slag during the refining of a metal bath |
Francois Schleimer, Ferdinand Goedert, Lucien Lorang, Jean Baumert |
1982-04-20 |