| 2025/0083,230 | USE OF A BASIC OXYGEN FURNACE TO PRODUCE GRANULATED METALLIC UNITS, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS | Sep 11, 24 | Mar 13, 25 | Not available |
| 2024/0425,941 | GEOTHERMALLY POWERED IRON PRODUCTION SYSTEMS AND METHODS | Jun 23, 23 | Dec 26, 24 | Not available |
| 2016/0334,166 | METHOD FOR SLAG REMOVAL DURING METAL PROCESSING | May 06, 16 | Nov 17, 16 | Not available |
| 2015/0338,166 | SHAFT FURNACE CHARGING DEVICE EQUIPPED WITH A COOLING SYSTEM AND ANNULAR SWIVEL JOINT THEREFORE | Jul 30, 15 | Nov 26, 15 | PAUL WURTH S.A. |
| 2012/0024,111 | METAL SEPARATION USING A TUNNEL KILN FURNACE | Jul 27, 10 | Feb 02, 12 | HERITAGE RESEARCH GROUP |
| 2012/0013,054 | SYSTEM AND METHOD FOR PRODUCING METALLIC IRON | Sep 26, 11 | Jan 19, 12 | NU-IRON TECHNOLOGY, LLC |
| 2011/0227,262 | PIVOTING SLAG DOOR | Mar 16, 10 | Sep 22, 11 | PROCESS TECHNOLOGY INTERNATIONAL, PROCESS TECHNOLOGY INTERNATIONAL, LLC, |
| 2011/0175,265 | METHOD AND DEVICES FOR REGULATING THE FLOW RATE AND FOR SLOWING DOWN MELT STREAMS THROUGH MAGNETIC FIELDS IN THE TAPPING OF METALLURGICAL CONTAINERS SUCH AS BLAST FURNACES AND MELT FURNACES | Aug 06, 09 | Jul 21, 11 | TMT Tapping-Measuring-Technology GmbH |
| 2011/0113,925 | METHOD OF AND SYSTEM FOR PROCESSING RED MUD | Nov 03, 08 | May 19, 11 | Not available |
| 2011/0094,337 | STEELMAKING FACILITY COMPRISING A DIRECT REDUCTION PLANT AND AN ELECTRIC-ARC FURNACE | Apr 17, 08 | Apr 28, 11 | DANIELI & C. OFFICINE MECCANICHE S.P.A., HYL TECHNOLOGIES, S.A. DE C.V., HYL TECHNOLOGIES S,A, DE C.V., |
| 2011/0084,430 | Contoured Molten Metal Filter Cups | Mar 29, 10 | Apr 14, 11 | Not available |
| 2011/0001,279 | APPARATUS FOR RECOVERING PLATINUM GROUP ELEMENTS | Sep 16, 10 | Jan 06, 11 | DOWA METALS & MINING CO., LTD., TANAKA KIKINZOKU KOGYO K.K., Kosaka Smelting & Refining Co., Ltd., NIPPON PGM CO., LTD., |
| 2010/0242,675 | MODIFIED INDUCTION FURNACE AND PROCESS FOR REMOVING ZINC-CONTAINING METALLURGICAL WASTE, WITH RECOVERY OF THE METALS THEREFROM | Oct 03, 08 | Sep 30, 10 | CONSEJO SUPERIOR DE INVESTIGACIONES CIENTIFICAS |
| 2010/0242,682 | METHOD AND SYSTEM OF DRY PROCESSING OF CONVERTER SLAG IN COPPER SMELTING | Nov 25, 09 | Sep 30, 10 | PAN PACIFIC COPPER CO., LTD. |
| 2009/0293,677 | High efficient method of slag scooping-up from liquid iron and a device for implementing said method | Apr 05, 04 | Dec 03, 09 | Not available |
| 2008/0302,211 | LINEAR HEARTH FURNACE SYSTEM AND METHODS REGARDING SAME | Aug 19, 08 | Dec 11, 08 | NU-IRON TECHNOLOGY, LLC |
| 2008/0250,899 | Processing Metallurgical Slag | Aug 28, 06 | Oct 16, 08 | WAKS, ANTHONY RAYMOND |
| 2008/0079,203 | SMELT SPOUT ENCLOSURE FOR CHEMICAL RECOVERY BOILERS | Sep 29, 06 | Apr 03, 08 | GENERAL ELECTRIC TECHNOLOGY GMBH |
| 2007/0145,648 | Robotic system and method for the automation of slag and matte discharge from smelters | Nov 13, 06 | Jun 28, 07 | MI ROBOTIC SOLUTIONS (MIRS) |
| 2007/0022,842 | Device and method for enhancing zinc yield from bottom dross | Jul 27, 06 | Feb 01, 07 | PAUL WURTH S.A. |