C21B 2400/022
Methods of cooling or quenching molten slag
C21B2400/022 (Methods of cooling or quenching molten slag) appears on 203 US grants and 105 published applications in this corpus.
Search patents in C21B- Granted patents
- 203
- Published applications
- 105
- Assignees
- 135
- Inventors
- 479
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 10 | 0 |
| 1978 | 8 | 0 |
| 1979 | 12 | 0 |
| 1980 | 7 | 0 |
| 1981 | 8 | 0 |
| 1982 | 10 | 0 |
| 1983 | 7 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 9 | 1 |
| 2002 | 4 | 6 |
| 2003 | 5 | 2 |
| 2004 | 1 | 3 |
| 2005 | 3 | 3 |
| 2006 | 0 | 3 |
| 2007 | 2 | 3 |
| 2008 | 3 | 5 |
| 2009 | 4 | 4 |
| 2010 | 3 | 6 |
| 2011 | 3 | 3 |
| 2012 | 2 | 4 |
| 2013 | 3 | 9 |
| 2014 | 2 | 3 |
| 2015 | 8 | 6 |
| 2016 | 2 | 3 |
| 2017 | 4 | 3 |
| 2018 | 1 | 4 |
| 2019 | 2 | 4 |
| 2020 | 6 | 4 |
| 2021 | 0 | 2 |
| 2022 | 2 | 3 |
| 2023 | 3 | 7 |
| 2024 | 5 | 12 |
| 2025 | 3 | 2 |
| 2026 | 5 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cooling apparatus23 Jun 2026US 12,663,213 B2Material Handling Technology S.R.L.
- Method for the cooling and heat recovery from materials at very high temperature9 Jun 2026US 12,649,690 B2Cicsa S.R.L.
- Integrated drying process and device for dry granulated slag and sludge2 Jun 2026US 12,644,161 B2Baoshan Iron & Steel Co., Ltd.
- Process and system for the production of iron nuggets12 May 2026US 12,624,406 B2Carbontec Energy Corporation
- High efficiency processing method and plant for multiphase steel slag5 May 2026US 12,618,118 B2Baoshan Iron & Steel Co., Ltd.
- Method for melting direct reduced iron, solid iron and method for producing the same, material for civil engineering and construction and method for producing the same, and system for melting direct reduced iron11 Sep 2025US 2025/0283185 A1Jfe Steel Corporation
- Process for preparing a hydraulic binder and device for carrying out the process26 Jun 2025US 2025/0207210 A1
- Demetallized slag for abrasives and/or roofing granules and related methods5 Dec 2024US 2024/0400873 A1Harsco Technologies LLC
- Heat recovery on steel slag19 Sep 2024US 2024/0309479 A1John Cockerill S.A.
- Method and system for producing low carbon ferroalloy from chromite ore12 Sep 2024US 2024/0301530 A1MM Metals USA, LLC
Most cited
By later US patents
- Process for solidifying aqueous wastes and products thereof71US 4,124,405 APEC-Engineering Societe Anonyme · 1978
- Cement composition38US 6,840,996 B2Denki Kagaku Kogyo Kabushiki Kaisha · 2005
- Method for producing droplets30US 5,609,919 AAltamat Inc. · 1997
- Process for producing fibers with a specially fixed size from melts24US 4,374,074 AItoh Metal Abrasive Co., Ltd. · 1983
- Method and device for granulating and comminuting liquid slags16US 6,196,479 B1"Holderbank" Financiere Glarus AG · 2001