B03C 2201/00
Details of magnetic or electrostatic separation
B03C2201/00 (Details of magnetic or electrostatic separation) appears on 2,749 US grants and 3,589 published applications in this corpus.
Search patents in B03C- Granted patents
- 2,749
- Published applications
- 3,589
- Assignees
- 1,642
- Inventors
- 6,530
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 5 | 0 |
| 1978 | 7 | 0 |
| 1979 | 4 | 0 |
| 1980 | 12 | 0 |
| 1981 | 17 | 0 |
| 1982 | 6 | 0 |
| 1983 | 11 | 0 |
| 1984 | 6 | 0 |
| 1985 | 11 | 0 |
| 1986 | 7 | 0 |
| 1987 | 17 | 0 |
| 1988 | 12 | 0 |
| 1989 | 5 | 0 |
| 1990 | 10 | 0 |
| 1991 | 9 | 0 |
| 1992 | 11 | 0 |
| 1993 | 13 | 0 |
| 1994 | 9 | 0 |
| 1995 | 15 | 0 |
| 1996 | 18 | 0 |
| 1997 | 14 | 0 |
| 1998 | 21 | 0 |
| 1999 | 24 | 0 |
| 2000 | 31 | 0 |
| 2001 | 25 | 11 |
| 2002 | 26 | 42 |
| 2003 | 40 | 33 |
| 2004 | 27 | 60 |
| 2005 | 30 | 70 |
| 2006 | 30 | 71 |
| 2007 | 32 | 72 |
| 2008 | 56 | 93 |
| 2009 | 57 | 116 |
| 2010 | 58 | 130 |
| 2011 | 68 | 150 |
| 2012 | 88 | 168 |
| 2013 | 127 | 167 |
| 2014 | 136 | 194 |
| 2015 | 131 | 170 |
| 2016 | 143 | 178 |
| 2017 | 136 | 170 |
| 2018 | 145 | 171 |
| 2019 | 134 | 192 |
| 2020 | 131 | 211 |
| 2021 | 151 | 240 |
| 2022 | 144 | 245 |
| 2023 | 123 | 194 |
| 2024 | 156 | 173 |
| 2025 | 163 | 179 |
| 2026 | 83 | 89 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B03C 2201/18Magnetic separation whereby the particles are suspended in a liquidIndexing code1,090
- B03C 2201/26Details of magnetic or electrostatic separation: for use in medical or biologicalIndexing code884
- B03C 2201/20Magnetic separation of bulk or dry particles in mixturesIndexing code374
- B03C 2201/10Ionising electrode with two or more serrated ends or sidesIndexing code337
- B03C 2201/30Details of magnetic or electrostatic separation: for use in or with vehiclesIndexing code217
- B03C 2201/28Parts being designed to be removed for cleaning purposesIndexing code200
- B03C 2201/04Ionising electrode being a wireIndexing code184
- B03C 2201/22Details of magnetic or electrostatic separation: characterised by the magnetic fieldIndexing code177
All 16 subgroupsShow fewer
- B03C 2201/24Details of magnetic or electrostatic separation: for measuring or calculating of parametersIndexing code155
- B03C 2201/02Electrostatic separation of liquids from liquidsIndexing code135
- B03C 2201/06Ionising electrode being a needleIndexing code127
- B03C 2201/08Ionising electrode being a rodIndexing code92
- B03C 2201/14The gas being moved electro-kineticallyIndexing code82
- B03C 2201/32Checking the quality of the result or the well-functioning of the deviceIndexing code69
- B03C 2201/16Magnetic separation of gases from gasesIndexing code32
- B03C 2201/12Cleaning the device by burning the trapped particlesIndexing code14
Recent patents
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- Caliper-type electrostatic precipitator and vehicle braking device including same1 Oct 2026US 2026/0298299 A1Korea Institute of Machinery & Materials
- 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
- Electrostatic purification device of fluid, fluid purification facility, and method of purifying fluid17 Sep 2026US 2026/0273545 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Apparatus and methods for magnetic separation featuring external magnetic means301US 5,466,574 AImmunivest Corporation · 1995
- Magnetic separation rack for diagnostic assays282US 4,895,650 AGen-Probe Incorporated · 1990
- Methods for manipulating moieties in microfluidic systems281US 7,081,192 B1Aviva Biosciences Corporation · 2006
- Ferromagnetic separation process and material265US 3,985,649 A1976
- Method and apparatus for controlling magnetic particles by pipetting machine260US 6,509,193 B1Precision System Science Co., Ltd. · 2003