H01F 7/0273
Magnetic circuits with pm for magnetic field generation
Official title: {Magnetic circuits with PM for magnetic field generation}
H01F7/0273 (Magnetic circuits with pm for magnetic field generation) appears on 972 US grants and 891 published applications in this corpus.
Search patents in H01F- Granted patents
- 972
- Published applications
- 891
- Assignees
- 511
- Inventors
- 1,630
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 6 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 14 | 0 |
| 1988 | 5 | 0 |
| 1989 | 21 | 0 |
| 1990 | 6 | 0 |
| 1991 | 19 | 0 |
| 1992 | 13 | 0 |
| 1993 | 9 | 0 |
| 1994 | 14 | 0 |
| 1995 | 15 | 0 |
| 1996 | 12 | 0 |
| 1997 | 8 | 0 |
| 1998 | 7 | 0 |
| 1999 | 14 | 0 |
| 2000 | 14 | 0 |
| 2001 | 10 | 1 |
| 2002 | 11 | 14 |
| 2003 | 12 | 10 |
| 2004 | 13 | 15 |
| 2005 | 21 | 18 |
| 2006 | 15 | 17 |
| 2007 | 13 | 11 |
| 2008 | 12 | 20 |
| 2009 | 14 | 55 |
| 2010 | 41 | 22 |
| 2011 | 19 | 20 |
| 2012 | 17 | 45 |
| 2013 | 29 | 23 |
| 2014 | 31 | 28 |
| 2015 | 29 | 68 |
| 2016 | 32 | 47 |
| 2017 | 53 | 56 |
| 2018 | 42 | 41 |
| 2019 | 42 | 58 |
| 2020 | 66 | 60 |
| 2021 | 41 | 55 |
| 2022 | 50 | 53 |
| 2023 | 40 | 50 |
| 2024 | 58 | 51 |
| 2025 | 40 | 40 |
| 2026 | 14 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Magnetic ball calibration method and magnetic ball calibration apparatus15 Sep 2026US 12,738,402 B2Ankon Medical Technologies (Shanghai) Co., LTD.
- Stellarators using arrays of permanent magnets1 Sep 2026US 12,725,725 B2The Trustees of Princeton University
- Lens driving device and camera module25 Aug 2026US 12,717,112 B2LG Innotek Co., Ltd.
- Permanent magnet assembly for magnetic resonance imaging with non-ferromagnetic frame18 Aug 2026US 12,710,496 B2Hyperfine Operations, Inc.
- Deposition apparatus28 Jul 2026US 12,692,591 B2Samsung Display Co., Ltd.
- Focusing device and projection device1 Oct 2026US 2026/0303763 A1Anker Innovations Technology Co., Ltd.
- Pin control device, pin insertion device, remaining pin removal device, pin insertion method and remaining pin removal method1 Oct 2026US 2026/0305433 A1
- Magnet module, sensor module, and method for manufacturing magnet module10 Sep 2026US 2026/0269114 A1Panasonic Intellectual Property Management Co., Ltd.
- Magnetic applica for use with cellphones13 Aug 2026US 2026/0238712 A1Laut Design, LLC
- Magnet arrangement for a magnetic sensing device30 Jul 2026US 2026/0219025 A1
Most cited
By later US patents
- Magnetic navigation system240US 7,019,610 B2Stereotaxis, Inc. · 2006
- Rotating and pivoting magnet for magnetic navigation142US 6,975,197 B2Stereotaxis, Inc. · 2005
- Magnetic field generating device for NMR-CT134US 4,672,346 ASumotomo Special Metal Co., Ltd. · 1987
- Magnets with varying magnetization direction and method of making such magnets134US 6,940,379 B2Stereotaxis, Inc. · 2005
- Superconducting MRI magnet with magnetic flux field homogeneity control126US 5,194,810 AApplied Superconetics, Inc. · 1993