B03C 1/0332
Using permanent magnets
Official title: {using permanent magnets}
B03C1/0332 (Using permanent magnets) appears on 606 US grants and 742 published applications in this corpus.
Search patents in B03C- Granted patents
- 606
- Published applications
- 742
- Assignees
- 437
- Inventors
- 1,445
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 8 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 8 | 0 |
| 1997 | 3 | 0 |
| 1998 | 9 | 0 |
| 1999 | 8 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 2 |
| 2002 | 11 | 10 |
| 2003 | 13 | 8 |
| 2004 | 5 | 8 |
| 2005 | 3 | 6 |
| 2006 | 5 | 14 |
| 2007 | 6 | 16 |
| 2008 | 8 | 12 |
| 2009 | 12 | 17 |
| 2010 | 10 | 26 |
| 2011 | 8 | 21 |
| 2012 | 18 | 27 |
| 2013 | 15 | 25 |
| 2014 | 22 | 30 |
| 2015 | 18 | 32 |
| 2016 | 31 | 41 |
| 2017 | 27 | 36 |
| 2018 | 29 | 41 |
| 2019 | 34 | 62 |
| 2020 | 36 | 66 |
| 2021 | 35 | 59 |
| 2022 | 44 | 58 |
| 2023 | 31 | 28 |
| 2024 | 38 | 35 |
| 2025 | 44 | 42 |
| 2026 | 17 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Magnetic nanolubricant filtration system for high-efficiency compressors1 Sep 2026US 12,722,160 B1Kuwait University
- Removing metal contaminants from drilling mud18 Aug 2026US 12,709,951 B1Saudi Arabian Oil Company
- Systems and methods for three-dimensional extraction of target particles ferrofluids14 Jul 2026US 12,678,800 B2Ancera, LLC
- Vehicle-mounted in-situ magnetic field decontamination device for heavy metal contaminated soil with retractable baffle26 May 2026US 12,636,688 B2Institute of Soil Science, CAS
- Magnetic substance separation device12 May 2026US 12,623,231 B2Innocell Technology Co., Ltd.
- Wet magnetic roll separator systems and methods of producing high-pure iron ore concentrates17 Sep 2026US 2026/0273543 A1
- 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.
- Magnetic molecular resonator for water and other fluids20 Aug 2026US 2026/0242259 A1
- Automatic High Precision Battery Material Assessment System30 Jul 2026US 2026/0219137 A1Mag Ia, Inc.
Most cited
By later US patents
- 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
- Device and method for mixing magnetic particles with a fluid171US 6,764,859 B1Biomerieux · 2004
- Apparatus and methods for capture and analysis of particulate entities164US 6,623,983 B1Immunivest Corporation · 2003
- Analytical device for separating magnetic microparticles from suspensions141US 5,705,062 AHoffmann-La Roche Inc. · 1998