C04B 5/00
Treatment of metallurgical slag
Official title: Treatment of {metallurgical} slag (manufacture of slag wool C03B; in, or for, the production of metals C21B, C22B); Artificial stone from molten {metallurgical} slag {(other cast stone C04B32/005; mechanical aspects B28B1/54)}
C04B5/00 (Treatment of metallurgical slag) appears on 120 US grants and 107 published applications in this corpus.
Search patents in C04B- Granted patents
- 120
- Published applications
- 107
- Assignees
- 115
- Inventors
- 352
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 3 |
| 2003 | 1 | 5 |
| 2004 | 3 | 3 |
| 2005 | 3 | 3 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 4 |
| 2010 | 3 | 4 |
| 2011 | 1 | 4 |
| 2012 | 3 | 4 |
| 2013 | 2 | 8 |
| 2014 | 4 | 5 |
| 2015 | 5 | 7 |
| 2016 | 12 | 8 |
| 2017 | 4 | 6 |
| 2018 | 3 | 7 |
| 2019 | 7 | 1 |
| 2020 | 7 | 4 |
| 2021 | 2 | 6 |
| 2022 | 3 | 3 |
| 2023 | 6 | 3 |
| 2024 | 2 | 6 |
| 2025 | 4 | 8 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for the cooling and heat recovery from materials at very high temperature9 Jun 2026US 12,649,690 B2Cicsa S.R.L.
- Beneficiation of metal slags for use as cement material10 Mar 2026US 12,570,575 B2CemVision AB
- Method of manufacturing inorganic binder by reduction furnace slag and cured solid manufactured by the method16 Sep 2025US 12,415,756 B2National Cheng Kung University
- Processing methods and processing apparatus26 Aug 2025US 12,398,442 B2Altek Europe Limited
- Methods, systems for dehydrating gasification fine slags, and media thereof15 Apr 2025US 12,275,672 B2China University of Mining and Technology
- Process and plant for slag treatment23 Jul 2026US 2026/0209874 A1Danieli & C. Officine Meccaniche SpA
- 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
- Beneficiation of metal slags for use as cement material18 Jun 2026US 2026/0167564 A1CemVision AB
- Beneficiation of metal slags for use as cement material20 Nov 2025US 2025/0353787 A1CemVision AB
- Method for manufacturing cement clinker using stainless steel slag7 Aug 2025US 2025/0250197 A1Orbix Productions
Most cited
By later US patents
- Apparatus for producing spheroidal inorganic particulate material79US 5,253,991 ASumitomo Cement Co., Ltd. · 1993
- Plasma resistant ceramic coated conductive article43US 9,394,615 B2APPLIED Materials.Inc. · 2016
- Methods of making cementitious compositions from waste products39US 4,756,761 AO'Okiep Copper Company Limited · 1988
- Process for manufacturing porous slag14US 4,545,797 ATexaco Inc. · 1985
- Low embodied energy wallboards and methods of making same14US 8,337,993 B2Serious Energy, Inc. · 2012