Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6516632 | Device for wet granulation of liquid-slag | Leon Ulveling, Jean-Luc Roth | 2003-02-11 |
| 6314123 | Method for continuous smelting of solid metal products | Wilhelm Burgmann, Jean Monai, Jean-Luc Roth | 2001-11-06 |
| 5348430 | Universal chuck for a machine for piercing a tap hole of a shaft furnace | Jean Metz, Patrick Millen, Fernand Roemen | 1994-09-20 |
| 5192489 | Device for opening the taphole of a shaft furnace | Jean Metz, Pierre Mailliet | 1993-03-09 |
| 5101853 | Device for shutting of pipelines for transport of bulk products | Pierre Mailliet, Leon Ulveling, Jeannot Loutsch, Emile Lonardi | 1992-04-07 |
| 4602770 | Taphole drilling device for shaft furnaces | Pierre Mailliet, Charles Tarducci, Guy Thillen | 1986-07-29 |
| 4574494 | Device for determining the profile of the charging surface of a shaft furnace | Pierre Mailliet, Emile Lonardi, Victor Kremer | 1986-03-11 |
| 4322197 | Process and installation for charging a shaft furnace | Rene N. Mahr, Pierre Mailliet, Emile Lonardi | 1982-03-30 |
| 4245982 | Cooling box for shaft furnaces | Carlo Heinz, Herbert Ensch, Guido Monteyne | 1981-01-20 |