C22B 15/0054
Slag, slime, speiss, or dross treating
Official title: {Slag, slime, speiss, or dross treating}
C22B15/0054 (Slag, slime, speiss, or dross treating) appears on 70 US grants and 61 published applications in this corpus.
Search patents in C22B- Granted patents
- 70
- Published applications
- 61
- Assignees
- 59
- Inventors
- 185
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 6 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 2 |
| 2006 | 1 | 4 |
| 2007 | 0 | 3 |
| 2008 | 0 | 1 |
| 2009 | 4 | 6 |
| 2010 | 2 | 7 |
| 2011 | 3 | 2 |
| 2012 | 4 | 0 |
| 2013 | 3 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 2 | 6 |
| 2019 | 3 | 2 |
| 2020 | 2 | 2 |
| 2021 | 1 | 5 |
| 2022 | 1 | 1 |
| 2023 | 5 | 6 |
| 2024 | 4 | 1 |
| 2025 | 3 | 3 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gas injection device7 Jul 2026US 12,674,224 B2SMS group GmbH
- Coupling system of copper slag recycling and CO2 mineralization based on industrial solid waste14 Apr 2026US 12,601,021 B2Greenore Holding Co.
- Method for the recovery of metals from electronic waste10 Mar 2026US 12,571,069 B2SMS group GmbH
- Metal recovery process12 Aug 2025US 12,385,106 B2Minex Technology Group Limited
- Process for producing briquettes from a waste material and briquette made of a waste material21 Jan 2025US 12,203,151 B2Bernegger GmbH
- Gas injection device8 Oct 2026US 2026/0308714 A1SMS group GmbH
- Smelting furnace arrangement24 Sep 2026US 2026/0286465 A1Metso Metals Oy
- Method for processing zinc concentrates5 Jun 2025US 2025/0179611 A1Glencore Technology Pty Limited
- Method for producing valuable metals1 May 2025US 2025/0137088 A1Sumitomo Metal Mining Co., Ltd.
- Treatment of zinc leach residue13 Mar 2025US 2025/0084503 A1Glencore Technology Pty Limited
Most cited
By later US patents
- Process for recovering platinum group metals from material containing base metals20US 7,033,480 B2Placer Dome Technical Services Limited · 2006
- Production of blister copper directly from dead roasted-copper-iron concentrates using a shallow bed reactor12US 4,006,010 AAmax Inc. · 1977
- Process for treating lead-copper-sulphur charges9US 4,162,915 AMetallurgie Hoboken-Overpelt · 1979
- Thermal method for the recovery of metals and/or metal combinations with the aid of a melting cyclone8US 4,017,307 AKlockner-Humboldt-Deutz Aktiengesellschaft · 1977
- Pyrometallurgical recovery of copper from slag material8US 4,032,327 AKennecott Copper Corporation · 1977