Class C21C : PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL
Subclass 5/36: Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel Manufacture of steel in the converter Processes yielding slags of special composition
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 10988818 | Efficient long-service-life blowing method and system for vanadium extraction-decarburization duplex converters | Jul 10, 20 | Apr 27, 21 | University of Science and Technology Beijing |
| 10648059 | Jacketed rotary converter and PGM converting process | Jul 11, 19 | May 12, 20 | Techemet, LP |
| 10584060 | Process and system for eliminating the potential for LD and EAF steel slag expansion | Sep 14, 15 | Mar 10, 20 | ROLTH DO BRASIL INDUSTRIA, COMERCIO E SERVICOS LTDA |
| 10435760 | Fluxing agent, process of its production, agglomeration mixture and use of slug from secondary metallurgy | Jul 02, 14 | Oct 08, 19 | ECOFER, S.R.O. |
| 9920390 | Method for preliminary treatment of molten iron | Jan 17, 13 | Mar 20, 18 | JFE STEEL CORPORATION |
| 9708676 | Method for preparing low-cost clean steel | Mar 13, 12 | Jul 18, 17 | Not available |
| 9695485 | Method for the treatment of steelwork slag and hydraulic mineral binder | Sep 06, 12 | Jul 04, 17 | LOESCHE GMBH |
| 9650688 | Method of recovering Fe from steel-making slag | Mar 28, 14 | May 16, 17 | INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY |
| 9512497 | Method for reducing slag | Jul 29, 14 | Dec 06, 16 | HYUNDAI STEEL COMPANY, INHA-INDUSTRY PARTNERSHIP INSTITUTE, |
| 9499755 | Composite briquette for steelmaking or ironmaking furnace charge | Aug 29, 14 | Nov 22, 16 | Not available |
| 9315875 | Method of refining molten iron | Jul 19, 12 | Apr 19, 16 | JFE STEEL CORPORATION |
| 8523977 | Method of desulfurizing steel | May 12, 11 | Sep 03, 13 | NUCOR CORPORATION |
| 6676747 | Method for producing puzzolanic binders for the cement industry from steel slags using a reduction metal bath | Oct 28, 02 | Jan 13, 04 | HOLCIM TECHNOLOGY LTD |
| 6383250 | Steel making revert and process for preparing | Apr 28, 00 | May 07, 02 | ISG TECHNOLOGIES, INC. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0191,316 | Pyrometallurgical Method for Recycling Shredded Material of Waste from the Production of New and Defective or End-of-Life Batteries for Electric Vehicles or Portable Li-Ion Batteries | Mar 25, 22 | Jun 13, 24 | Not available |
| 2024/0167,112 | METHOD FOR OPERATING CONVERTER AND METHOD FOR PRODUCING MOLTEN STEEL | Nov 04, 21 | May 23, 24 | JFE Steel Corporation |
| 2022/0177,986 | METHOD FOR MONITORING A STEELMAKING PROCESS AND ASSOCIATED COMPUTER PROGRAM | Apr 17, 19 | Jun 09, 22 | Not available |
| 2021/0047,702 | METHOD TO CONTROL SLAG FOAMING IN A SMELTING PROCESS | Jan 15, 19 | Feb 18, 21 | TATA STEEL NEDERLAND TECHNOLOGY B.V. |
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