| 2024/0229,174 | Method of manufacturing steel | Feb 23, 22 | Jul 11, 24 | Not available |
| 2024/0229,175 | A method of manufacturing of a steel product in several steelmaking units | Feb 23, 22 | Jul 11, 24 | Not available |
| 2024/0132,983 | Method of manufacturing steel | Feb 23, 22 | Apr 25, 24 | Not available |
| 2024/0132,984 | A method of manufacturing of a steel product in several steelmaking units | Feb 23, 22 | Apr 25, 24 | Not available |
| 2024/0044,580 | METALLURGICAL FURNACE HAVING AN INTEGRATED OFF-GAS HOOD | Oct 18, 23 | Feb 08, 24 | Not available |
| 2017/0051,369 | Method for Recycling-Processing of Dust Generated in Converter Furnace, and Method for Manufacturing Steel | Nov 09, 16 | Feb 23, 17 | ASTEC IRIE CO., LTD. |
| 2012/0217,683 | WASTE HEAT SYSTEM | Aug 16, 10 | Aug 30, 12 | PYROTEK, INC. |
| 2012/0049,420 | DUST COLLECTION SYSTEM FOR CALCINE TRANSFER CONTAINER | Sep 30, 11 | Mar 01, 12 | HATCH LTD. |
| 2011/0011,211 | METALLURGICAL PROCESS AND PLANT HEREFOR | Feb 12, 09 | Jan 20, 11 | OUTOTEC OYJ |
| 2010/0212,457 | PRODUCING METAL AND CARBON DIOXIDE WITH HYDROGEN RECYCLE | Feb 23, 10 | Aug 26, 10 | PRAXAIR TECHNOLOGY, INC. |
| 2010/0123,275 | OFF-GAS HEAT RECOVERY AND PARTICULATE COLLECTION | Nov 18, 09 | May 20, 10 | Not available |
| 2010/0096,784 | SYSTEM EMPLOYING GENERATION OF CONTROLLED FURNACE ATMOSPHERES WITHOUT THE USE OF SEPARATE GAS SUPPLIES OR STAND-ALONE ATMOSPHERE GENERATORS | Dec 22, 09 | Apr 22, 10 | PNC BANK, NATIONAL ASSOCIATION |
| 2009/0315,230 | BLAST FURNACE GAS BURNING FACILITY AND METHOD FOR OPERATING THE SAME | Jul 04, 08 | Dec 24, 09 | MITSUBISHI HEAVY INDUSTRIES, LTD. |
| 2009/0308,205 | DIRECT SMELTING PLANT WITH WASTE HEAT RECOVERY UNIT | Apr 24, 07 | Dec 17, 09 | TECHNOLOGICAL RESOURCES PTY. LIMITED |
| 2009/0165,597 | Apparatus and Methods for the Production of Metal Compounds | Mar 27, 07 | Jul 02, 09 | COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION |
| 2008/0087,135 | Microwave heating method and apparatus for iron oxide reduction | Oct 03, 07 | Apr 17, 08 | Not available |
| 2007/0205,542 | Process for denoxification of off-gases from annealing and pickling lines, and an annealing and pickling line, especially for stainless steel hot or cold strip | Feb 26, 07 | Sep 06, 07 | ANDRITZ AG |
| 2006/0119,019 | Gas flushing device for metallurgical melting pots | Oct 18, 03 | Jun 08, 06 | REFRACTORY INTELLECTUAL PROPERTY GMBH & CO. KG |
| 2005/0217,423 | Furnace residue cleaning method | Mar 31, 04 | Oct 06, 05 | Not available |
| 2004/0130,077 | Production of products from steel slags | Oct 20, 03 | Jul 08, 04 | HECKETT MULTISERV PLC |