B03C 1/02
Acting directly on the substance being separated
Official title: acting directly on the substance being separated
B03C1/02 (Acting directly on the substance being separated) appears on 2,467 US grants and 2,452 published applications in this corpus.
Search patents in B03C- Granted patents
- 2,467
- Published applications
- 2,452
- Assignees
- 1,424
- Inventors
- 5,139
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 29 | 0 |
| 1977 | 31 | 0 |
| 1978 | 30 | 0 |
| 1979 | 26 | 0 |
| 1980 | 35 | 0 |
| 1981 | 35 | 0 |
| 1982 | 27 | 0 |
| 1983 | 15 | 0 |
| 1984 | 21 | 0 |
| 1985 | 24 | 0 |
| 1986 | 18 | 0 |
| 1987 | 20 | 0 |
| 1988 | 35 | 0 |
| 1989 | 24 | 0 |
| 1990 | 20 | 0 |
| 1991 | 26 | 0 |
| 1992 | 26 | 0 |
| 1993 | 28 | 0 |
| 1994 | 19 | 0 |
| 1995 | 31 | 0 |
| 1996 | 34 | 0 |
| 1997 | 28 | 0 |
| 1998 | 39 | 0 |
| 1999 | 52 | 0 |
| 2000 | 52 | 0 |
| 2001 | 42 | 13 |
| 2002 | 49 | 50 |
| 2003 | 43 | 42 |
| 2004 | 32 | 46 |
| 2005 | 15 | 48 |
| 2006 | 31 | 53 |
| 2007 | 22 | 57 |
| 2008 | 37 | 75 |
| 2009 | 39 | 82 |
| 2010 | 47 | 88 |
| 2011 | 51 | 100 |
| 2012 | 62 | 112 |
| 2013 | 79 | 124 |
| 2014 | 95 | 125 |
| 2015 | 100 | 115 |
| 2016 | 104 | 121 |
| 2017 | 89 | 119 |
| 2018 | 95 | 115 |
| 2019 | 89 | 133 |
| 2020 | 93 | 127 |
| 2021 | 87 | 145 |
| 2022 | 89 | 139 |
| 2023 | 78 | 111 |
| 2024 | 94 | 118 |
| 2025 | 125 | 124 |
| 2026 | 55 | 70 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B03C 1/28Magnetic plugs and dipsticks1,384
- B03C 1/025High gradient magnetic separators974
- B03C 1/30Combinations with other devices, not otherwise provided for709
- B03C 1/10With cylindrical material carriers288
- B03C 1/23With material carried by oscillating fields247
- B03C 1/035Open gradient magnetic separators, i.e. separators in which the gap is unobstructed185
- B03C 1/16With material carriers in the form of belts174
- B03C 1/023Separation using lorentz force, i.e. deflection of electrically charged particles in a76
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
- Micro-flow system for particle separation and analysis417US 6,432,630 B1Scandinanian Micro Biodevices A/S · 2002
- 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
- Apparatus and methods for magnetic separation265US 5,200,084 AImmunicon Corporation · 1993
- Method and apparatus for controlling magnetic particles by pipetting machine260US 6,509,193 B1Precision System Science Co., Ltd. · 2003