B03C 1/005
Pretreatment specially adapted for magnetic separation
B03C1/005 (Pretreatment specially adapted for magnetic separation) appears on 713 US grants and 859 published applications in this corpus.
Search patents in B03C- Granted patents
- 713
- Published applications
- 859
- Assignees
- 541
- Inventors
- 2,048
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 6 | 0 |
| 1980 | 9 | 0 |
| 1981 | 10 | 0 |
| 1982 | 1 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 14 | 0 |
| 1988 | 7 | 0 |
| 1989 | 5 | 0 |
| 1990 | 10 | 0 |
| 1991 | 6 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 7 | 0 |
| 1996 | 8 | 0 |
| 1997 | 10 | 0 |
| 1998 | 11 | 0 |
| 1999 | 18 | 0 |
| 2000 | 9 | 0 |
| 2001 | 10 | 4 |
| 2002 | 15 | 12 |
| 2003 | 13 | 19 |
| 2004 | 4 | 14 |
| 2005 | 10 | 16 |
| 2006 | 4 | 6 |
| 2007 | 7 | 21 |
| 2008 | 6 | 22 |
| 2009 | 9 | 20 |
| 2010 | 7 | 31 |
| 2011 | 16 | 38 |
| 2012 | 23 | 46 |
| 2013 | 28 | 35 |
| 2014 | 27 | 44 |
| 2015 | 25 | 38 |
| 2016 | 30 | 36 |
| 2017 | 25 | 34 |
| 2018 | 29 | 45 |
| 2019 | 34 | 62 |
| 2020 | 28 | 46 |
| 2021 | 33 | 55 |
| 2022 | 28 | 53 |
| 2023 | 32 | 50 |
| 2024 | 34 | 41 |
| 2025 | 44 | 49 |
| 2026 | 15 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electrochemical sensors based on enzyme-linked immunosorbent assay15 Sep 2026US 12,736,496 B1United States of America as represented by the Administrator of NASA
- Biological material extraction carrier and biological material extraction method25 Aug 2026US 12,716,063 B2Seiko Epson Corporation
- 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
- System and method for manipulating objects in a fluid28 Jul 2026US 12,691,456 B2Ramot at Tel-Aviv University Ltd.
- 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
- Method for treating sample for liquid chromatography and mass spectrometry3 Sep 2026US 2026/0259116 A1Beijing Gbi Biotechnology Co., Ltd.
- Devices and methods for removing cancer cells from bloodstream during cancer metastasis20 Aug 2026US 2026/0241089 A1Miracle Heart
- Magnetic assisted separation apparatuses and related methods20 Aug 2026US 2026/0241390 A1Amgen Inc.
Most cited
By later US patents
- Magnetic iron-dextran microspheres466US 4,452,773 ACanadian Patents and Development Limited · 1984
- Magnetic particles for use in separations333US 4,554,088 AAdvanced Magnetics, Inc. · 1985
- 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
- Ferromagnetic separation process and material265US 3,985,649 A1976
- Apparatus and methods for magnetic separation265US 5,200,084 AImmunicon Corporation · 1993