Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6464752 | Method for producing directly reduced, desulphurized iron | Jean-Luc Roth, Thomas Hansmann, Marc Solvi | 2002-10-15 |
| 6451086 | Process for thermal treatment of residual materials containing heavy metal and iron oxide | Thomas Hansmann, Marc Solvi | 2002-09-17 |
| 6395057 | Method for producing directly reduced iron in a layered furnace | Thomas Hansmann, Marc Solvi | 2002-05-28 |
| 6391088 | Method for heat-treating recyclings containing oil and iron oxide | Thomas Hansmann, Marc Solvi | 2002-05-21 |
| 6383252 | Method for the heat treatment of residues containing heavy metals | Jean-Luc Roth, Thomas Hansmann, Marc Solvi | 2002-05-07 |
| 6210155 | Charging device for a rotary hearth furnace | Gilbert Bernard, Emile Lonardi, Patrick Hutmacher | 2001-04-03 |
| 6010041 | Device for discharge of bulk material from a pressure vessel | Emile Lonardi, Jorg Brinckmann, Patrick Hutmacher | 2000-01-04 |
| 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, Marc Solvi, Louis Schmit, Leon Ulveling | 1996-07-30 |
| 4306828 | Combined flow control and isolation valve | Edouard Legille | 1981-12-22 |