B03C 1/00
Magnetic separation
B03C1/00 (Magnetic separation) appears on 2,820 US grants and 2,669 published applications in this corpus.
Search patents in B03C- Granted patents
- 2,820
- Published applications
- 2,669
- Assignees
- 1,596
- Inventors
- 5,797
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 39 | 0 |
| 1977 | 38 | 0 |
| 1978 | 40 | 0 |
| 1979 | 35 | 0 |
| 1980 | 46 | 0 |
| 1981 | 46 | 0 |
| 1982 | 33 | 0 |
| 1983 | 24 | 0 |
| 1984 | 27 | 0 |
| 1985 | 33 | 0 |
| 1986 | 23 | 0 |
| 1987 | 36 | 0 |
| 1988 | 42 | 0 |
| 1989 | 32 | 0 |
| 1990 | 28 | 0 |
| 1991 | 31 | 0 |
| 1992 | 32 | 0 |
| 1993 | 34 | 0 |
| 1994 | 22 | 0 |
| 1995 | 37 | 0 |
| 1996 | 39 | 0 |
| 1997 | 34 | 0 |
| 1998 | 46 | 0 |
| 1999 | 64 | 0 |
| 2000 | 58 | 0 |
| 2001 | 50 | 16 |
| 2002 | 54 | 58 |
| 2003 | 52 | 60 |
| 2004 | 35 | 61 |
| 2005 | 28 | 53 |
| 2006 | 34 | 56 |
| 2007 | 28 | 69 |
| 2008 | 40 | 85 |
| 2009 | 42 | 87 |
| 2010 | 51 | 98 |
| 2011 | 58 | 112 |
| 2012 | 70 | 128 |
| 2013 | 89 | 131 |
| 2014 | 103 | 141 |
| 2015 | 108 | 120 |
| 2016 | 111 | 132 |
| 2017 | 92 | 126 |
| 2018 | 101 | 122 |
| 2019 | 96 | 149 |
| 2020 | 104 | 130 |
| 2021 | 95 | 147 |
| 2022 | 93 | 148 |
| 2023 | 80 | 117 |
| 2024 | 102 | 121 |
| 2025 | 128 | 130 |
| 2026 | 57 | 72 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and process for sorting and recovery of recyclable materials from mixed waste6 Oct 2026US 12,752,306 B1Wm Intellectual Property Holdings, L.L.C.
- Methods and systems for advanced battery collection, sorting, and packaging22 Sep 2026US 12,741,302 B2Li Industries, Inc.
- Electrochemical sensors based on enzyme-linked immunosorbent assay15 Sep 2026US 12,736,496 B1United States of America as represented by the Administrator of NASA
- Separating apparatus of biosubstance and separating method of the same15 Sep 2026US 12,736,550 B2Inventec Appliances Corp.
- Magnetic nanolubricant filtration system for high-efficiency compressors1 Sep 2026US 12,722,160 B1Kuwait University
- Biological material purification method and magnetic separation device24 Sep 2026US 2026/0286340 A1Seiko Epson Corporation
- Wet magnetic roll separator systems and methods of producing high-pure iron ore concentrates17 Sep 2026US 2026/0273543 A1
- Purification method for anhydrous aluminum chloride, and gas-phase nano-alumina preparation device and method therefor17 Sep 2026US 2026/0274702 A1Guangzhou Huifu Research Institute Co., Ltd.
- Method for processing target material comprising clump-shaped copper wire scraps10 Sep 2026US 2026/0264113 A1JX Advanced Metals Corporation
- Injection molding machine, recycling system, and recycling method10 Sep 2026US 2026/0264138 A1The Japan Steel Works, Ltd.
Most cited
By later US patents
- Magnetic iron-dextran microspheres466US 4,452,773 ACanadian Patents and Development Limited · 1984
- Micro-flow system for particle separation and analysis417US 6,432,630 B1Scandinanian Micro Biodevices A/S · 2002
- Magnetic particles for use in separations333US 4,554,088 AAdvanced Magnetics, Inc. · 1985
- Apparatus and methods for magnetic separation featuring external magnetic means301US 5,466,574 AImmunivest Corporation · 1995
- Methods and reagents for the rapid and efficient isolation of circulating cancer cells288US 6,365,362 B1Board of Regents, The University of Texas System · 2002