C22B 15/0026
Pyrometallurgy
Official title: {Pyrometallurgy}
C22B15/0026 (Pyrometallurgy) appears on 419 US grants and 287 published applications in this corpus.
Search patents in C22B- Granted patents
- 419
- Published applications
- 287
- Assignees
- 245
- Inventors
- 986
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 17 | 0 |
| 1978 | 8 | 0 |
| 1979 | 6 | 0 |
| 1980 | 7 | 0 |
| 1981 | 8 | 0 |
| 1982 | 16 | 0 |
| 1983 | 8 | 0 |
| 1984 | 15 | 0 |
| 1985 | 10 | 0 |
| 1986 | 9 | 0 |
| 1987 | 15 | 0 |
| 1988 | 6 | 0 |
| 1989 | 11 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 4 | 0 |
| 1999 | 9 | 0 |
| 2000 | 5 | 0 |
| 2001 | 12 | 3 |
| 2002 | 5 | 3 |
| 2003 | 7 | 5 |
| 2004 | 7 | 10 |
| 2005 | 8 | 8 |
| 2006 | 2 | 7 |
| 2007 | 4 | 12 |
| 2008 | 0 | 8 |
| 2009 | 9 | 13 |
| 2010 | 8 | 22 |
| 2011 | 8 | 8 |
| 2012 | 18 | 13 |
| 2013 | 4 | 9 |
| 2014 | 10 | 7 |
| 2015 | 10 | 13 |
| 2016 | 4 | 7 |
| 2017 | 9 | 9 |
| 2018 | 11 | 18 |
| 2019 | 10 | 7 |
| 2020 | 8 | 8 |
| 2021 | 3 | 16 |
| 2022 | 7 | 9 |
| 2023 | 15 | 28 |
| 2024 | 13 | 17 |
| 2025 | 12 | 14 |
| 2026 | 11 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Copper-tin-nickel brazing material prepared by alloys recycled from E-waste, preparation method therefor and system thereof15 Sep 2026US 12,735,765 B2Zhengzhou Research Institute of Mechanical Engineering Co., Ltd.
- Method for recovering valuable substance15 Sep 2026US 12,735,767 B2Dowa Eco-System Co., Ltd.
- Processing method for electronic/electric device component waste25 Aug 2026US 12,715,026 B2JX Advanced Metals Corporation
- Method for recovering valuable substance25 Aug 2026US 12,716,112 B2Dowa Eco-System Co., Ltd.
- Method for recovering valuable metal from used LIB11 Aug 2026US 12,703,893 B2Mitsubishi Materials Corporation
- Gas injection device8 Oct 2026US 2026/0308714 A1SMS group GmbH
- Operation method of copper smelting24 Sep 2026US 2026/0286464 A1JX Advanced Metals Corporation
- Smelting furnace arrangement24 Sep 2026US 2026/0286465 A1Metso Metals Oy
- Methods for reducing metal oxides with ammonia gas10 Sep 2026US 2026/0265846 A1Trustees of Tufts College
- Method and apparatus for producing oxygen-free copper or oxygen-free copper alloy27 Aug 2026US 2026/0249347 A1Ls Cable & System Ltd.
Most cited
By later US patents
- Submerged combustion in molten materials69US 4,657,586 AUnion Carbide Corporation · 1987
- Vertical shaft melting furnace and method of melting65US 4,877,449 AInstitute of Gas Technology · 1989
- Extraction of trace metals from fly ash43US 4,475,993 AThe United States of America as represented by the United States Department of Energy · 1984
- Method for direct metal making by microwave energy25US 6,277,168 B12001
- Process for the dissolution of copper metal24US 6,905,531 B2Phibro-Tech, Inc. · 2005