C21B 3/08
Cooling slag
C21B3/08 (Cooling slag) appears on 137 US grants and 91 published applications in this corpus.
Search patents in C21B- Granted patents
- 137
- Published applications
- 91
- Assignees
- 101
- Inventors
- 344
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 6 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 5 | 0 |
| 1983 | 6 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 6 | 1 |
| 2002 | 2 | 5 |
| 2003 | 3 | 1 |
| 2004 | 1 | 3 |
| 2005 | 2 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 3 | 4 |
| 2009 | 3 | 4 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 2 | 2 |
| 2013 | 2 | 8 |
| 2014 | 2 | 1 |
| 2015 | 6 | 6 |
| 2016 | 1 | 6 |
| 2017 | 5 | 2 |
| 2018 | 1 | 6 |
| 2019 | 3 | 4 |
| 2020 | 5 | 6 |
| 2021 | 3 | 3 |
| 2022 | 2 | 3 |
| 2023 | 5 | 8 |
| 2024 | 4 | 9 |
| 2025 | 2 | 3 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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.
- High efficiency processing method and plant for multiphase steel slag5 May 2026US 12,618,118 B2Baoshan Iron & Steel Co., Ltd.
- Process and apparatus for the granulation of slag deriving from iron and steel production22 Jul 2025US 12,365,952 B2
- Method for melting direct reduced iron, solid iron and method for producing the same, and material for civil engineering and construction and method for producing the same2 Jul 2026US 2026/0185171 A1Jfe Steel Corporation
- Process for preparing a hydraulic binder and device for carrying out the process26 Jun 2025US 2025/0207210 A1
- Processes and systems for molten slag energy extraction and utilization24 Apr 2025US 2025/0129439 A1Senex Technologies LLC
- Processes and systems for molten slag energy extraction and utilization with foam reduction24 Apr 2025US 2025/0129440 A1Molten Solutions LLC
- Heat recovery on steel slag19 Sep 2024US 2024/0309479 A1John Cockerill S.A.
Most cited
By later US patents
- Cement composition38US 6,840,996 B2Denki Kagaku Kogyo Kabushiki Kaisha · 2005
- 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
- Apparatus for producing spherical particles and fibers with a specially fixed size from melts15US 4,315,720 AItoh Metal Abrasive Co., Ltd. · 1982
- Method and apparatus for handling slag handling12US 4,018,588 AEcolaire Incorporated · 1977