C22B 1/005
Preliminary treatment of scrap
Official title: {Preliminary treatment of scrap (C22B1/02 - C22B1/26 take precedence)}
C22B1/005 (Preliminary treatment of scrap) appears on 404 US grants and 477 published applications in this corpus.
Search patents in C22B- Granted patents
- 404
- Published applications
- 477
- Assignees
- 373
- Inventors
- 1,315
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 7 | 0 |
| 1979 | 8 | 0 |
| 1980 | 5 | 0 |
| 1981 | 9 | 0 |
| 1982 | 9 | 0 |
| 1983 | 7 | 0 |
| 1984 | 7 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 7 | 0 |
| 1988 | 3 | 0 |
| 1989 | 7 | 0 |
| 1990 | 3 | 0 |
| 1991 | 7 | 0 |
| 1992 | 9 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 7 | 0 |
| 1996 | 9 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 6 | 1 |
| 2003 | 1 | 3 |
| 2004 | 1 | 6 |
| 2005 | 2 | 1 |
| 2006 | 2 | 6 |
| 2007 | 1 | 7 |
| 2008 | 2 | 4 |
| 2009 | 3 | 5 |
| 2010 | 7 | 6 |
| 2011 | 4 | 7 |
| 2012 | 2 | 6 |
| 2013 | 3 | 10 |
| 2014 | 5 | 14 |
| 2015 | 12 | 13 |
| 2016 | 12 | 20 |
| 2017 | 11 | 11 |
| 2018 | 7 | 26 |
| 2019 | 15 | 23 |
| 2020 | 14 | 27 |
| 2021 | 26 | 33 |
| 2022 | 20 | 42 |
| 2023 | 26 | 43 |
| 2024 | 34 | 54 |
| 2025 | 23 | 71 |
| 2026 | 18 | 37 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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.
- Processing method for electronic/electric device component waste25 Aug 2026US 12,715,026 B2JX Advanced Metals Corporation
- Method of recovering metals from spent li-ion batteries11 Aug 2026US RE50,987 E1Attero Recycling Pvt. Ltd.
- Processing method21 Jul 2026US 12,686,902 B2Rio Tinto Technological Resources Inc.
- Methods for preparing cathode active material precursor material and cathode active material for lithium secondary battery, and cathode active material for lithium secondary battery prepared according to same14 Jul 2026US 12,683,207 B2Dongwoo Fine-Chem Co., Ltd.
- Saggar for apparatus for recycling of waste batteries27 Aug 2026US 2026/0251395 A1Rd Solution Co., Ltd
- Equipment and processes for sheet metal consolidation20 Aug 2026US 2026/0241437 A1Massachusetts Institute of Technology
- Lithium recovery from slags20 Aug 2026US 2026/0242895 A1Umicore AG & Co. KG
- Separation liquid and method for recovery of metal-inorganic composite electrode assembly13 Aug 2026US 2026/0233271 A1Rikomay Recycling Singapore Pte. Ltd.
- System and method for recovering valuable metals from spent batteries13 Aug 2026US 2026/0234021 A1Rd Solution Co., Ltd
Most cited
By later US patents
- Process and apparatus for introducing metal chips into a molten metal bath thereof106US 4,702,768 APre-Melt Systems, Inc. · 1987
- Method for separation, recovery, and recycling of plastics from municipal solid waste76US 4,844,351 A1989
- Method for deoiling metal scrap40US 4,141,373 ARJR Archer, Inc. · 1979
- Liquid carton waste material recycling process and apparatus for recycling liquid carton waste material38US 6,401,635 B1Corenso United Oy Ltd. · 2002
- Apparatus for removing volatiles from metal32US 4,789,332 AAluminum Company of America · 1988