| 2024/0425,941 | GEOTHERMALLY POWERED IRON PRODUCTION SYSTEMS AND METHODS | Jun 23, 23 | Dec 26, 24 | Not available |
| 2023/0257,837 | PROCESS FOR PREPARATION AND USE OF INORGANIC MARKERS FOR SECURITY IDENTIFICATION/MARKING ON EXPLOSIVES, FUSES AND AMMUNITION AFTER DETONATION AND ON FIREARMS AND METAL PROJECTILES, PRODUCTS OBTAINED AND PROCESS OF INSERTING MARKERS ON EXPLOSIVES, FUSES AND AMMUNITION AND ON FIREARMS AND METAL PROJECTILES | Nov 14, 22 | Aug 17, 23 | META - SOLUÇÕES EM SEGURANÇA LTDA. |
| 2023/0082,269 | METHOD FOR IRON MAKING BY CONTINUOUS SMELTING REDUCTION | Feb 02, 21 | Mar 16, 23 | Not available |
| 2022/0081,733 | METHOD OF MANUFACTURING IRON IN A METALLURGICAL VESSEL | Mar 03, 20 | Mar 17, 22 | TATA STEEL NEDERLAND TECHNOLOGY B.V. |
| 2020/0199,696 | FOAMY SLAG CONDITIONER COMPOUND | Oct 28, 19 | Jun 25, 20 | Hickman, Williams & Company |
| 2017/0247,772 | Composite Particle For Steel Making and Ore Refining | Sep 25, 15 | Aug 31, 17 | AQUABLOK, LTD. |
| 2017/0211,160 | PULVERIZED COAL FOR PIG-IRON MAKING COMPRISING COW MANURE, AND PIG-IRON PRODUCTION METHOD USING SAME | Mar 11, 15 | Jul 27, 17 | HYUNDAI STEEL COMPANY |
| 2016/0312,320 | METHOD TO OPERATE A SMELT CYCLONE | Dec 18, 14 | Oct 27, 16 | TATA STEEL NEDERLAND TECHNOLOGY B.V. |
| 2015/0027,274 | Desulfurization Agent Containing Bitumen, Method for the Production Thereof, and Use Thereof | Oct 19, 12 | Jan 29, 15 | ALMAMET GMBH |
| 2014/0345,422 | METHOD FOR RECOVERING VALUABLE METALS | Aug 12, 14 | Nov 27, 14 | SUMITOMO METAL MINING CO., LTD. |
| 2014/0331,821 | PRODUCING OF PIG IRON FROM IRON-CONTAINING MATERIALS | Aug 22, 13 | Nov 13, 14 | HOFFMAN & SONS TECHNOLOGIES, LLC |
| 2014/0008,846 | SHALLOW METALLURGICAL WIRE INJECTION METHOD AND RELATED DEPTH CONTROL | Jul 02, 13 | Jan 09, 14 | SPECIALTY MINERALS (MICHIGAN) INC. |
| 2013/0032,005 | BENTONITE-BOUND COMPACTS OF UNDERSIZED OXIDIC IRON CARRIERS | Mar 21, 11 | Feb 07, 13 | SIEMENS VAI METALS TECHNOLOGIES GMBH |
| 2012/0326,363 | METHOD AND DEVICE FOR PROVIDING REDUCTION GAS FROM GENERATOR GAS | Nov 17, 10 | Dec 27, 12 | PRIMETALS TECHNOLOGIES AUSTRIA GMBH |
| 2012/0180,599 | Method for producing an agglomerate made of fine material containing metal oxide for use as a blast furnace feed material | Jun 04, 10 | Jul 19, 12 | RHEINKALK GMBH |
| 2012/0079,917 | METHOD FOR THE SIMULTANEOUS PRODUCTION OF IRON AND A CRUDE SYNGAS CONTAINING CO AND H2 | May 05, 10 | Apr 05, 12 | THYSSENKRUPP INDUSTRIAL SOLUTIONS AG |
| 2012/0000,316 | METHOD FOR PRODUCING PRESSED ARTICLES CONTAINING COAL PARTICLES | Dec 23, 09 | Jan 05, 12 | PRIMETALS TECHNOLOGIES AUSTRIA GMBH |
| 2011/0247,457 | PROCESS FOR PRODUCTION OF DIRECT REDUCED IRON | Sep 22, 09 | Oct 13, 11 | LUOSSAVAARA-KIIRUNAVAARA AB |
| 2011/0179,910 | PROCESS FOR PRODUCING AGGLOMERATES OF FINELY PARTICULATE IRON CARRIERS | Aug 17, 09 | Jul 28, 11 | PRIMETALS TECHNOLOGIES AUSTRIA GMBH |
| 2011/0167,960 | Flux for refining steel of low nitrogen, low oxygen and low sulfur | Dec 21, 07 | Jul 14, 11 | Yohizawa Lime Industry Co., Ltd., Yoshizawa Lime Industry Co., Ltd., |