Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9371571 | Granulation of metallurgical slag | Bob Greiveldinger, Mathias Hoffmann, Claudine Friederici, Daniel Michels | 2016-06-21 |
| 9200346 | Dry granulation of metallurgical slag | Bob Greiveldinger, Claudine Friederici, Daniel Michels, Mathias Hoffmann, Horst Kappes | 2015-12-01 |
| 7549463 | Cooling panel for a furnace for producing iron or steel | Robert Schmeler, Roger Thill | 2009-06-23 |
| 6582492 | Method for producing melt iron | Jean-Luc Roth, Jean Monai | 2003-06-24 |
| 6470958 | Method of Producing a cooling plate for iron and steel-making furnaces | Roger Thill, Yrio Leppanen, Perrtti Makinen | 2002-10-29 |
| 6464752 | Method for producing directly reduced, desulphurized iron | Jean-Luc Roth, Thomas Hansmann, Romain Frieden | 2002-10-15 |
| 6451086 | Process for thermal treatment of residual materials containing heavy metal and iron oxide | Thomas Hansmann, Romain Frieden | 2002-09-17 |
| 6395057 | Method for producing directly reduced iron in a layered furnace | Romain Frieden, Thomas Hansmann | 2002-05-28 |
| 6391088 | Method for heat-treating recyclings containing oil and iron oxide | Thomas Hansmann, Romain Frieden | 2002-05-21 |
| 6383252 | Method for the heat treatment of residues containing heavy metals | Jean-Luc Roth, Thomas Hansmann, Romain Frieden | 2002-05-07 |
| 5829968 | Charging device for a shaft furnace | Emile Lonardi, Gilbert Bernard, Guy Thillen | 1998-11-03 |
| 5540895 | Device for the treatment of mixture of steam and air contaminated with sulphurous gases, formed during the granulation and dehydration of blast furnace slag | Ernest Faber, Romain Frieden, Louis Schmit, Leon Ulveling | 1996-07-30 |
| 5229063 | Process for the treatment of steel-mill slag and apparatus for carrying it out | Hubert Stomp, Albert Feitler | 1993-07-20 |
| 4940005 | Device for injecting preheated air into a shaft furnace | — | 1990-07-10 |
| 4767258 | Process and apparatus for charging a shaft furnace | Gilbert Bernard, Emile Lonardi | 1988-08-30 |
| 4728240 | Charging installation for a shaft furnace | Rene N. Mahr, Emile Lonardi, Gilbert Bernard, Pierre Mailliet | 1988-03-01 |
| 4492342 | Centrifugal drum for metallurgical slag | Clement Burton, Andre Kremer, Hubert Stomp | 1985-01-08 |
| 4416673 | Dust collector for furnace charging installation | Michel Kirchen, Clement Burton | 1983-11-22 |