| 2025/0066,872 | HEAPS FOR HEAP LEACHING | Oct 26, 22 | Feb 27, 25 | Not available |
| 2025/0060,163 | Geothermally Powered Pyrometallurgical Zinc Production | Aug 15, 23 | Feb 20, 25 | Not available |
| 2025/0003,025 | METHODS AND SYSTEMS FOR LEACHING A METAL-BEARING MATERIAL | Sep 13, 24 | Jan 02, 25 | Freeport Minerals Corporation |
| 2024/0318,279 | AGGLOMERATED ORE AND METHOD FOR PRODUCING SAME | Sep 22, 22 | Sep 26, 24 | 501 Nippon Steel Corporation |
| 2024/0301,529 | METHODS AND SYSTEMS FOR LEACHING A METAL-BEARING MATERIAL | May 10, 24 | Sep 12, 24 | Freeport Minerals Corporation |
| 2024/0295,007 | METHOD FOR RECOVERING PROCESSED ALUMINUM SCRAPS OF AERONAUTICAL ALUMINUM ALLOY | Mar 04, 22 | Sep 05, 24 | THE BOEING COMPANY |
| 2024/0287,631 | AGGLOMERATED ORE ASSESSING METHOD AND AGGLOMERATED ORE | Mar 09, 22 | Aug 29, 24 | JFE Steel Corporation |
| 2024/0279,758 | METHOD FOR PRODUCING AGGLOMERATED ORE, METHOD FOR PRODUCING REDUCED IRON, AGGLOMERATED ORE, SINTERING MACHINE AND PELLET FIRING FURNACE | Apr 08, 22 | Aug 22, 24 | JFE Steel Corporation |
| 2024/0279,766 | A METAL AGGLOMERATE PRODUCTION CONFIGURATION | Jun 07, 22 | Aug 22, 24 | Not available |
| 2024/0258,596 | GRAPHITE RECYCLING FROM LI-ION BATTERIES | Jan 30, 24 | Aug 01, 24 | Not available |
| 2024/0175,101 | REDUCED IRON PRODUCTION METHOD AND REDUCED IRON PRODUCTION DEVICE | Dec 03, 21 | May 30, 24 | JFE Steel Corporation |
| 2024/0158,886 | METHOD FOR PRODUCING IRON ORE PELLETS | May 13, 21 | May 16, 24 | Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) |
| 2024/0128,530 | VALUABLE METAL RECOVERY METHOD AND RECOVERY APPARATUS | Feb 08, 22 | Apr 18, 24 | Mitsubishi Materials Corporation |
| 2024/0100,579 | RESOURCE RECOVERY METHOD AND RESOURCE RECOVERY SYSTEM OF DESULFURIZED ASH | Dec 03, 19 | Mar 28, 24 | Not available |
| 2024/0042,523 | TWO-STEP THERMAL TREATMENT OF NICKEL-CONTAINING SULFIDES FOR THE PRODUCTION OF FERRONICKEL | Dec 14, 21 | Feb 08, 24 | The Governing Council of the University of Toronto |
| 2024/0035,113 | Microbial-assisted Heap Leaching | Jul 28, 23 | Feb 01, 24 | Not available |
| 2022/0049,368 | METHODS OF FORMING A METAL ALLOY | Aug 11, 21 | Feb 17, 22 | Not available |
| 2021/0172,038 | Process of Ceramic Proppant Production From Iron Ore and/or Sterile From Its Exploitation and/or Tailings From Its Beneficiation with Agglomeration of Fine and Ultrafine Particles - PCF | Dec 06, 19 | Jun 10, 21 | Not available |
| 2021/0087,652 | GRANULATED MATERIAL, METHOD FOR PRODUCING GRANULATED MATERIAL, AND METHOD FOR PRODUCING SINTERED ORE | Mar 20, 19 | Mar 25, 21 | JFE Steel Corporation |
| 2020/0040,427 | METHOD FOR MANUFACTURING SINTERED ORE | Apr 20, 18 | Feb 06, 20 | JFE STEEL CORPORATION |