C21B 2400/056
Drums whereby slag is poured on or in between
C21B2400/056 (Drums whereby slag is poured on or in between) appears on 43 US grants and 15 published applications in this corpus.
Search patents in C21B- Granted patents
- 43
- Published applications
- 15
- Assignees
- 26
- Inventors
- 85
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 5 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 2 |
| 2023 | 1 | 4 |
| 2024 | 1 | 3 |
| 2025 | 1 | 1 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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.
- Methods for recovering a target metal from iron or steel slag using at least one of a carbothermic reduction process and a pyro-hydrometallurgical process20 May 2025US 12,305,260 B2Tenova Goodfellow Inc.
- Method and apparatus for direct drying of inorganic sludge with drum drawing process6 Feb 2024US 11,891,318 B2Baoshan Iron & Steel Co., Ltd.
- Methods for recovering a target metal from iron or steel slag using at least one of a carbothermic reduction process and a pyro-hydrometallurgical process2 Oct 2025US 2025/0305086 A1Tenova Goodfellow Inc.
- Method and apparatus for the treatment of black slag11 Jul 2024US 2024/0229170 A9Truyoins S.R.L.
- Method for the cooling and heat recovery from materials at very high temperature30 May 2024US 2024/0174564 A1Cicsa S.R.L.
- Method and apparatus for the treatment of black slag25 Apr 2024US 2024/0132980 A1Truyoins S.R.L.
- Integrated drying process and device for dry granulated slag and sludge21 Sep 2023US 2023/0295754 A1Baoshan Iron & Steel Co., Ltd.
Most cited
By later US patents
- Process and apparatus for making expanded slag11US 4,115,089 AAcieries Reunies de Burbach-Eich-Dudelange S.A. ARBED · 1978
- Treatment and handling of metallurgical slag11US 4,277,273 A1981
- Method producing slag ballast9US 4,049,439 ANippon Steel Corporation · 1977
- Process and apparatus for granulating molten slag9US 4,909,837 ANorddeutsche Affinerie Aktiengesellschaft · 1990
- Apparatus for dewatering granulated-slag slurry8US 4,204,855 ASIDMAR Maritieme Staalnihverheid N.V. Siderurgie Maritime S.A. · 1980