Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12392012 | Method for recovering metals contained in spent catalysts from ferro-alloys | Lionel Picard | 2025-08-19 |
| 8550811 | Method for feeding hot gas to a shaft furnace | Jean-Paul Simoes | 2013-10-08 |
| 8545597 | Method for operating a blast furnace and blast furnace installation | Jean-Paul Simoes | 2013-10-01 |
| 8101153 | Method for the valorisation of zinc-and sulphate-rich residue | Marie Bontemps | 2012-01-24 |
| 8088192 | Recovery of residues containing copper and other valuable metals | Christophe Solver | 2012-01-03 |
| 7951221 | Process for the treatment of contaminated metal residues and apparatus for implementing it | Ludivine Piezanowski, Marc Pelletier, Alain Laudet | 2011-05-31 |
| 7951220 | Method for recovering molybdenium, nickel, cobalt or their mixtures from used or regenerated catalysts | Ludivine Piezanowski | 2011-05-31 |
| 7935174 | Treatment of steel plant sludges in a multiple-stage furnace | Emile Lonardi | 2011-05-03 |
| 7169205 | Method for producing a melt iron in an electric furnace | Emile Lonardi, Paul Berg, Fred Weisgerber, Fred Parasch | 2007-01-30 |
| 6945077 | Method for treating steel plant slag | Guy Denier | 2005-09-20 |
| 6635096 | Method for optimizing the operating conditions of a submerged arc furnace | — | 2003-10-21 |
| 6582492 | Method for producing melt iron | Marc Solvi, Jean Monai | 2003-06-24 |
| 6516632 | Device for wet granulation of liquid-slag | Leon Ulveling, Henri Radoux | 2003-02-11 |
| RE37897 | Method for making steel in a liquid melt-fed electric furnace | Andre Kremer, Guy Denier | 2002-11-05 |
| 6464752 | Method for producing directly reduced, desulphurized iron | Thomas Hansmann, Romain Frieden, Marc Solvi | 2002-10-15 |
| 6452955 | Method for feeding fines or granules into a light-arc furnace | Serge Devillet, Emile Lonardi | 2002-09-17 |
| 6413469 | Method and installation for ladle treatment of steel | Hubert Stomp, Albert Feitler | 2002-07-02 |
| 6383252 | Method for the heat treatment of residues containing heavy metals | Thomas Hansmann, Romain Frieden, Marc Solvi | 2002-05-07 |
| 6314123 | Method for continuous smelting of solid metal products | Wilhelm Burgmann, Jean Monai, Henri Radoux | 2001-11-06 |
| 6238452 | Method for making steel in a liquid melt-fed electric furnace | Andre Kremer, Guy Denier | 2001-05-29 |
| 5868816 | Process for adjusting the composition of a liquid metal such as steel, and plant for its implementation | Jean Alex Michard, Henri Gaye | 1999-02-09 |
| 5851263 | Process for smelting steel in an electric arc furnace, and electric arc furnace for its implementation | Thierry Bernet, Philippe Destannes | 1998-12-22 |
| 5562753 | Method and installation for producing molten steel from ferrous materials rich in carbonaceous materials | Yann de Lassat de Pressigny, Henri Gaye, Yves Zbaczyniak | 1996-10-08 |
| 5316270 | Device for the charging of materials into a furnace and the preheating of these | Michel Hamy, Christian Lebrun, Jean-Michel Thebault, Ghislain Maurer, Jacques Michelet | 1994-05-31 |
| 4745252 | Device for the homogenization of the temperature of passing metallic products | Herve Sierpinski | 1988-05-17 |