B03C 2201/20
Magnetic separation of bulk or dry particles in mixtures
B03C2201/20 (Magnetic separation of bulk or dry particles in mixtures) appears on 374 US grants and 483 published applications in this corpus.
Search patents in B03C- Granted patents
- 374
- Published applications
- 483
- Assignees
- 316
- Inventors
- 994
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 4 |
| 2004 | 1 | 3 |
| 2005 | 0 | 2 |
| 2006 | 1 | 1 |
| 2007 | 3 | 9 |
| 2008 | 2 | 1 |
| 2009 | 2 | 4 |
| 2010 | 5 | 9 |
| 2011 | 3 | 18 |
| 2012 | 7 | 20 |
| 2013 | 14 | 19 |
| 2014 | 18 | 22 |
| 2015 | 24 | 36 |
| 2016 | 28 | 27 |
| 2017 | 17 | 30 |
| 2018 | 24 | 30 |
| 2019 | 18 | 30 |
| 2020 | 23 | 33 |
| 2021 | 21 | 36 |
| 2022 | 26 | 35 |
| 2023 | 22 | 27 |
| 2024 | 32 | 39 |
| 2025 | 33 | 26 |
| 2026 | 18 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and system for removing iron ore particles adhering by magnetic hysteresis to a magnetic matrix of a vertical magnetic separator25 Aug 2026US 12,715,006 B2AssociaçãO Instituto TecnolóGico Vale-Itv
- Biological material extraction carrier and biological material extraction method25 Aug 2026US 12,716,063 B2Seiko Epson Corporation
- Apparatus for dust mitigation18 Aug 2026US 12,708,909 B2
- Isolation of different extracellular vesicle (EV) subpopulations11 Aug 2026US 12,702,979 B2The Board of Trustees of the Leland Stanford Junior University
- Systems and methods for bead-based assays in ferrofluids11 Aug 2026US 12,704,509 B2Ancera, LLC
- Method for the separation and recovery of plastics and contaminants through multi-stage separation process13 Aug 2026US 2026/0233268 A1
- Separation liquid and method for recovery of metal-inorganic composite electrode assembly13 Aug 2026US 2026/0233271 A1Rikomay Recycling Singapore Pte. Ltd.
- Zinc recovery method and zinc ferrite decomposition method6 Aug 2026US 2026/0226582 A1Kinotech Corporation
- Metal powder contaminant removal6 Aug 2026US 2026/0226583 A1
- Process for the recovery of a useful material from a battery30 Jul 2026US 2026/0217534 A1Materials Processing Institute
Most cited
By later US patents
- Method and apparatus for sorting non-ferrous metal pieces73US 4,834,870 AHuron Valley Steel Corporation · 1989
- Cassette for sample preparation39US 8,124,024 B2Genturadx, Inc. · 2012
- Magnetic lifting tool36US 4,802,702 A1989
- Conductive material sorting device36US 5,394,991 ASenko Kogyo Co., Ltd. · 1995
- Magnetic tool35US 4,105,239 A1978