Class C21B : MANUFACTURE OF IRON OR STEEL
Subclass 3/08: General features in the manufacture of pig-iron (mixers for pig-iron C21C 1/06) Recovery of by-products, e.g. slag Treatment of liquid slag (slag wool C03B; slag stones C04B) Cooling slag
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11891318 | Method and apparatus for direct drying of inorganic sludge with drum drawing process | Sep 26, 19 | Feb 06, 24 | Baoshan Iron & Steel Co., Ltd. |
| 11708302 | Method of continuous manufacturing of solidified steelmaking slag and associated device | Sep 28, 17 | Jul 25, 23 | Arcelormittal Commercial RPS S.A.R.L. |
| 11560880 | Heat recover apparatus, system and method of using the same | Jul 31, 17 | Jan 24, 23 | Arizona Board of Regents on behalf of The University of Arizona |
| 11549155 | Reduced iron production method and production apparatus | Jul 07, 17 | Jan 10, 23 | Kobe Steel Ltd. |
| 11519043 | Roller treatment process and treatment device suitable for total-amount steel slag treatment | Mar 17, 17 | Dec 06, 22 | Baoshan Iron & Steel Co., Ltd. |
| 11479830 | Method for treating slag | Aug 24, 18 | Oct 25, 22 | voestalpine STAHL GmbH |
| 11162158 | Methods and systems for recovering products from iron and steel slag | Sep 19, 16 | Nov 02, 21 | Not available |
| 11034617 | Steel product, cement manufacturing process and cement | Dec 20, 17 | Jun 15, 21 | Gerdau S.A. |
| 10745770 | Method of simultaneously recycling plastics and detoxifying chromite ore processing residue by residual heat from steel slag | Jul 05, 18 | Aug 18, 20 | Qingdao Technological University |
| 10703675 | Method for processing steel slag and hydraulic mineral binder | Sep 01, 14 | Jul 07, 20 | Loesche GmbH |
| 10618112 | Granulation of molten material | Sep 04, 14 | Apr 14, 20 | UVAN HOLDING AB |
| 10486234 | Nozzle and a tundish arrangement for the granulation of molten material | Feb 12, 16 | Nov 26, 19 | UVAN HOLDING AB |
| 10167423 | Granulated slag products and processes for their production | Mar 20, 15 | Jan 01, 19 | Hatch Ltd. |
| 10065892 | Hydraulic binder composition using rapidly-cooled steelmaking reduced slag powder, and method of preparing the same | Jan 26, 15 | Sep 04, 18 | Not available |
| 9695485 | Method for the treatment of steelwork slag and hydraulic mineral binder | Sep 06, 12 | Jul 04, 17 | LOESCHE GMBH |
| 9663837 | Device for recovering heat and fumes from slag resulting from the steel production cycle | Jun 03, 13 | May 30, 17 | G.A.P. S.P.A. |
| 9650688 | Method of recovering Fe from steel-making slag | Mar 28, 14 | May 16, 17 | INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY |
| 9624558 | Blast-furnace blowing coal and method for producing same | Apr 25, 13 | Apr 18, 17 | MITSUBISHI HEAVY INDUSTRIES, LTD. |
| 9567215 | Method for producing hydrogen and/or other gases from steel plant wastes and waste heat | Sep 25, 15 | Feb 14, 17 | TATA STEEL LIMITED |
| 9200346 | Dry granulation of metallurgical slag | Sep 06, 11 | Dec 01, 15 | PAUL WURTH S.A. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0132,980 | METHOD AND APPARATUS FOR THE TREATMENT OF BLACK SLAG | Mar 01, 22 | Apr 25, 24 | TRUYOINS S.R.L. |
| 2024/0102,118 | SYSTEM AND METHOD FOR DELIVERING FLUIDIZED POWDER BASED ON FLUE GAS CARRYING WASTE SLAG AND INSTANT COOLING STEEL SLAG | Nov 29, 22 | Mar 28, 24 | Shandong University of Science and Technology; QINGDAO DANENG ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD.; QINGDA LOW CARBON GREEN HYDROGEN INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE (QINGDAO) CO., LTD.; |
| 2024/0042,577 | STEEL SLAG ABRASIVE MATERIALS FOR BLASTING | Dec 16, 21 | Feb 08, 24 | Not available |
| 2023/0295,754 | INTEGRATED DRYING PROCESS AND DEVICE FOR DRY GRANULATED SLAG AND SLUDGE | Jun 21, 21 | Sep 21, 23 | Baoshan Iron & Steel Co., Ltd. |
| 2023/0265,533 | Efficient Treatment Method and Apparatus for Multiphase Steel Slag | Mar 29, 21 | Aug 24, 23 | Baoshan Iron & Steel Co., Ltd. |
| 2023/0235,417 | METHOD AND APPARATUS FOR TREATING THE MATERIAL EXITING FROM A LADLE FURNACE | Jun 23, 21 | Jul 27, 23 | TRUYOINS S.R.L. |
| 2023/0151,446 | PLANT FOR THE TREATMENT AND RECOVERY OF WHITE SLAG RESULTING FROM STEELMAKING PROCESSES | Apr 01, 21 | May 18, 23 | Not available |
| 2023/0100,959 | BLAST FURNACE SLAG GRANULATION AND WASTE HEAT RECOVERY AND UTILIZATION DEVICE AND METHOD | Dec 31, 20 | Mar 30, 23 | Baoshan Iron & Steel Co., Ltd. |
| 2023/0058,888 | Process and apparatus for the granulation of slag deriving from iron and steel production | Feb 04, 21 | Feb 23, 23 | Not available |
| 2022/0162,716 | FORMATION METHOD FOR SLAG FLOW, PRODUCTION METHOD FOR ORGANIC COMPOUND, PRODUCTION METHOD FOR PARTICLES, AND EXTRACTION METHOD | Feb 08, 22 | May 26, 22 | Not available |
| 2020/0208,230 | Method for controlling particle size of dry centrifugal granulated slag particles from liquid slag | Jul 20, 18 | Jul 02, 20 | Not available |
| 2019/0169,703 | GLASS-MAKING-QUALITY GRANULATED SLAG PROCESS | Feb 11, 19 | Jun 06, 19 | Not available |
| 2019/0071,742 | STEAM CONDENSATION SYSTEM FOR A GRANULATION INSTALLATION | Nov 30, 16 | Mar 07, 19 | Paul Wurth SA |
| 2018/0312,933 | METHOD OF SIMULTANEOUSLY RECYCLING PLASTICS AND DETOXIFYING CHROMITE ORE PROCESSING RESIDUE BY RESIDUAL HEAT FROM STEEL SLAG | Jul 05, 18 | Nov 01, 18 | Not available |
| 2018/0171,422 | METHOD FOR SOLIDIFYING LIQUID STEEL SLAG | Mar 27, 15 | Jun 21, 18 | Recoval Belgium; UNIVERSITÉ LIBRE DE BRUXELLES; |
| 2018/0057,901 | Method and device for granulating molten material | Mar 14, 16 | Mar 01, 18 | RADMAT AG |
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