| 2025/0034,668 | Steelmaking method and associated network of plants | Dec 07, 22 | Jan 30, 25 | Not available |
| 2016/0186,278 | Method for Recycling-Processing of Dust Generated in Converter Furnace | Aug 07, 14 | Jun 30, 16 | ASTEC IRIE CO., LTD. |
| 2012/0326,363 | METHOD AND DEVICE FOR PROVIDING REDUCTION GAS FROM GENERATOR GAS | Nov 17, 10 | Dec 27, 12 | PRIMETALS TECHNOLOGIES AUSTRIA GMBH |
| 2012/0049,420 | DUST COLLECTION SYSTEM FOR CALCINE TRANSFER CONTAINER | Sep 30, 11 | Mar 01, 12 | HATCH LTD. |
| 2011/0314,966 | METHOD AND APPARATUS FOR DIRECT REDUCTION IRONMAKING | Jun 23, 11 | Dec 29, 11 | MITSUBISHI HEAVY INDUSTRIES, LTD. |
| 2011/0209,576 | METHOD FOR OPERATING A BLAST FURNACE AND BLAST FURNACE INSTALLATION | Oct 30, 09 | Sep 01, 11 | PAUL WURTH S.A. |
| 2011/0197,712 | METHOD OF COAL GASIFICATION AND DIRECT IRONMAKING AND SYSTEM THEREFOR | Sep 25, 09 | Aug 18, 11 | KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.) |
| 2011/0120,266 | METHOD AND SYSTEM FOR ENERGY-OPTIMIZED AND CO2 EMISSION-OPTIMIZED IRON PRODUCTION | Jun 24, 09 | May 26, 11 | PRIMETALS TECHNOLOGIES AUSTRIA GMBH |
| 2011/0091,350 | METHOD AND APPARATUS FOR FORMING TITANIUM-ALUMINIUM BASED ALLOYS | Apr 21, 09 | Apr 21, 11 | COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION |
| 2011/0079,109 | Method Of Operating A Converter And Apparatus For Carrying Out The Method | Sep 01, 10 | Apr 07, 11 | LINDE AKTIENGESELLSCHAFT |
| 2011/0030,507 | PROCESS AND APPARATUS FOR PRODUCING LIQUID PIG IRON OR LIQUID PRIMARY STEEL PRODUCTS | Jan 30, 09 | Feb 10, 11 | PRIMETALS TECHNOLOGIES AUSTRIA GMBH |
| 2010/0242,683 | PROCESS FOR TREATING EXHAUST GAS GENERATED DURING WATER-GRANULATION OF SLAG AND SYSTEM FOR SAID TREATMENT | Nov 25, 09 | Sep 30, 10 | PAN PACIFIC COPPER CO., LTD. |
| 2010/0230,872 | METHOD OF INTEGRATING A BLAST FURNACE WITH AN AIR GAS SEPARATION UNIT | Feb 15, 07 | Sep 16, 10 | L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE |
| 2010/0146,982 | BLAST FURNACE IRON PRODUCTION WITH INTEGRATED POWER GENERATION | Dec 03, 09 | Jun 17, 10 | AIR PRODUCTS AND CHEMICALS, INC. |
| 2010/0123,275 | OFF-GAS HEAT RECOVERY AND PARTICULATE COLLECTION | Nov 18, 09 | May 20, 10 | Not available |
| 2009/0320,647 | PRESSURE CONTROL IN DIRECT SMELTING PROCESS | Apr 24, 07 | Dec 31, 09 | TECHNOLOGICAL RESOURCES PTY. LIMITED |
| 2009/0309,275 | DIRECT SMELTING PLANT | Mar 01, 07 | Dec 17, 09 | TECHNOLOGICAL RESOURCES PTY. LIMITED |
| 2009/0160,107 | Rotary Hearth Furnace And Method Of Operating The Same | Oct 31, 06 | Jun 25, 09 | KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.) |
| 2009/0140,472 | REDUCTION APPARATUS, REDUCTION APPARATUS MANUFACTURE METHOD, AND VACUUM SMELTING REDUCTION FURNACE USING THE SAME | Feb 11, 09 | Jun 04, 09 | YAMAHA CORPORATION, MG Century Mining Corporation, |
| 2009/0031,854 | Apparatus for the Combustion of Gas Exiting From a Furnace, for the Preheating of Scraps Entering the Furnace Itself and Related Process | Jul 10, 06 | Feb 05, 09 | TECHINT COMPAGNIA TECNICA INTERNAZIONALE S.P.A. |