C22B 21/0092
Remelting scrap, skimmings or any secondary source aluminium
Official title: {Remelting scrap, skimmings or any secondary source aluminium}
C22B21/0092 (Remelting scrap, skimmings or any secondary source aluminium) appears on 172 US grants and 150 published applications in this corpus.
Search patents in C22B- Granted patents
- 172
- Published applications
- 150
- Assignees
- 139
- Inventors
- 443
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 7 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 3 |
| 2002 | 4 | 4 |
| 2003 | 1 | 3 |
| 2004 | 3 | 7 |
| 2005 | 2 | 1 |
| 2006 | 0 | 3 |
| 2007 | 3 | 5 |
| 2008 | 1 | 5 |
| 2009 | 4 | 1 |
| 2010 | 5 | 5 |
| 2011 | 5 | 7 |
| 2012 | 5 | 3 |
| 2013 | 2 | 4 |
| 2014 | 4 | 3 |
| 2015 | 2 | 4 |
| 2016 | 3 | 1 |
| 2017 | 1 | 3 |
| 2018 | 5 | 4 |
| 2019 | 2 | 3 |
| 2020 | 6 | 6 |
| 2021 | 1 | 4 |
| 2022 | 3 | 11 |
| 2023 | 3 | 19 |
| 2024 | 6 | 16 |
| 2025 | 6 | 17 |
| 2026 | 8 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Method for recovering valuable substance15 Sep 2026US 12,735,767 B2Dowa Eco-System Co., Ltd.
- Method for recovering valuable substance25 Aug 2026US 12,716,112 B2Dowa Eco-System Co., Ltd.
- Valuable matter recovery method11 Aug 2026US 12,706,333 B2Dowa Eco-System Co., Ltd.
- Aluminum alloy-based effervescent tablet for producing enhanced heat transfer suspensions2 Jun 2026US 12,644,165 B1Kuwait University
- Method for preparing a metal alloy8 Oct 2026US 2026/0308718 A1Constellium Muscle Shoals LLC
- Scrap submergence device and related processes1 Oct 2026US 2026/0298542 A1Novelis Inc.
- Production method for baseball bats based on 6-series recycled aluminum25 Jun 2026US 2026/0176715 A1Zhongshan Arthur Melody Co., Ltd.
- Valuable metal production method9 Apr 2026US 2026/0100433 A1Sumitomo Metal Mining Co., Ltd.
- Method for metal recycling and regeneration production traceability with carbon disclosure26 Mar 2026US 2026/0087503 A1HF investment Ltd.
Most cited
By later US patents
- Metal scrap melting system150US 3,997,336 AAluminum Company of America · 1976
- Aluminum scrap reclamation148US 4,128,415 AAluminum Company of America · 1978
- Method for submerging entraining, melting and circulating metal charge in molten media136US 4,322,245 A1982
- Metal scrap submergence system128US 6,217,823 B1Metaullics Systems Co., L.P. · 2001
- Molten metal charge well123US 6,036,745 AMetaullics Systems Co., L.P. · 2000