Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |