C22B 15/0041
In converters
Official title: {in converters}
C22B15/0041 (In converters) appears on 58 US grants and 16 published applications in this corpus.
Search patents in C22B- Granted patents
- 58
- Published applications
- 16
- Assignees
- 41
- Inventors
- 114
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 2 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 2 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Mineralogical analysis system of copper concentrate3 Mar 2026US 12,566,166 B2Codelcotec SPA
- Copper production process29 Aug 2023US 11,739,394 B2Metallo Belgium
- Method for recovering metals from secondary materials and other materials comprising organic constituents15 Aug 2023US 11,725,256 B2Aurubis AG
- Method for treating copper concentrates22 Sep 2020US 10,781,505 B2Commonwealth Scientific and Industrial Research Organisation
- Method of converting copper containing material1 Oct 2019US 10,428,404 B2Outotec (Finland) Oy
- Treatment of zinc leach residue13 Mar 2025US 2025/0084503 A1Glencore Technology Pty Limited
- Geothermally powered pyrometallurgical copper production27 Feb 2025US 2025/0066873 A1EnhancedGEO Holdings, LLC
- Mineralogical Analysis System of Copper Concentrate2 Feb 2023US 2023/0033441 A1Codelcotec SPA
- Improved copper production process10 Jun 2021US 2021/0172039 A1Metallo Belgium
- Method for recovering metals from secondary materials and other materials comprising organic constituents7 May 2020US 2020/0140973 A1Aurubis AG
Most cited
By later US patents
- Submerged combustion in molten materials69US 4,657,586 AUnion Carbide Corporation · 1987
- Method of producing blister copper13US 4,144,055 ABoliden Aktiebolag · 1979
- Solid matte-oxygen converting process12US 4,416,690 AKennecott Corporation · 1983
- Metallurgical process using oxygen11US 3,941,587 AQ-S Oxygen Processes, Inc. · 1976
- Process for continuous smelting and converting of copper concentrates11US 4,005,856 ANoranda Mines Limited · 1977