B03C 1/033
Characterised by the magnetic circuit
Official title: characterised by the magnetic circuit
B03C1/033 (Characterised by the magnetic circuit) appears on 851 US grants and 956 published applications in this corpus.
Search patents in B03C- Granted patents
- 851
- Published applications
- 956
- Assignees
- 584
- Inventors
- 1,965
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 8 | 0 |
| 1985 | 6 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 9 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 8 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 8 | 0 |
| 1996 | 9 | 0 |
| 1997 | 4 | 0 |
| 1998 | 17 | 0 |
| 1999 | 17 | 0 |
| 2000 | 11 | 0 |
| 2001 | 9 | 2 |
| 2002 | 15 | 11 |
| 2003 | 15 | 10 |
| 2004 | 7 | 11 |
| 2005 | 4 | 10 |
| 2006 | 6 | 18 |
| 2007 | 7 | 20 |
| 2008 | 10 | 15 |
| 2009 | 15 | 22 |
| 2010 | 14 | 37 |
| 2011 | 17 | 34 |
| 2012 | 22 | 37 |
| 2013 | 23 | 44 |
| 2014 | 30 | 44 |
| 2015 | 30 | 45 |
| 2016 | 48 | 52 |
| 2017 | 35 | 48 |
| 2018 | 38 | 56 |
| 2019 | 47 | 70 |
| 2020 | 45 | 79 |
| 2021 | 45 | 71 |
| 2022 | 48 | 64 |
| 2023 | 41 | 37 |
| 2024 | 45 | 45 |
| 2025 | 52 | 51 |
| 2026 | 20 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Magnetic nanolubricant filtration system for high-efficiency compressors1 Sep 2026US 12,722,160 B1Kuwait University
- Method and system for removing iron ore particles adhering by magnetic hysteresis to a magnetic matrix of a vertical magnetic separator25 Aug 2026US 12,715,006 B2AssociaçãO Instituto TecnolóGico Vale-Itv
- Removing metal contaminants from drilling mud18 Aug 2026US 12,709,951 B1Saudi Arabian Oil Company
- Metal collector and use of it4 Aug 2026US 12,697,623 B2Prime Planet Energy & Solutions, Inc.
- Systems and methods for three-dimensional extraction of target particles ferrofluids14 Jul 2026US 12,678,800 B2Ancera, LLC
- 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