H01F 7/02
Permanent magnets [pm]
Official title: Permanent magnets {[PM]}
H01F7/02 (Permanent magnets [pm]) appears on 3,209 US grants and 3,631 published applications in this corpus.
Search patents in H01F- Granted patents
- 3,209
- Published applications
- 3,631
- Assignees
- 1,595
- Inventors
- 6,555
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 13 | 0 |
| 1978 | 15 | 0 |
| 1979 | 4 | 0 |
| 1980 | 16 | 0 |
| 1981 | 11 | 0 |
| 1982 | 14 | 0 |
| 1983 | 10 | 0 |
| 1984 | 11 | 0 |
| 1985 | 18 | 0 |
| 1986 | 11 | 0 |
| 1987 | 26 | 0 |
| 1988 | 8 | 0 |
| 1989 | 34 | 0 |
| 1990 | 19 | 0 |
| 1991 | 30 | 0 |
| 1992 | 24 | 0 |
| 1993 | 21 | 0 |
| 1994 | 26 | 0 |
| 1995 | 28 | 0 |
| 1996 | 21 | 0 |
| 1997 | 17 | 0 |
| 1998 | 10 | 0 |
| 1999 | 26 | 0 |
| 2000 | 25 | 0 |
| 2001 | 20 | 5 |
| 2002 | 25 | 28 |
| 2003 | 25 | 26 |
| 2004 | 27 | 33 |
| 2005 | 42 | 41 |
| 2006 | 34 | 49 |
| 2007 | 26 | 36 |
| 2008 | 24 | 67 |
| 2009 | 30 | 109 |
| 2010 | 81 | 82 |
| 2011 | 43 | 104 |
| 2012 | 69 | 173 |
| 2013 | 113 | 140 |
| 2014 | 112 | 153 |
| 2015 | 127 | 212 |
| 2016 | 140 | 196 |
| 2017 | 175 | 210 |
| 2018 | 150 | 210 |
| 2019 | 176 | 224 |
| 2020 | 203 | 265 |
| 2021 | 185 | 236 |
| 2022 | 213 | 235 |
| 2023 | 203 | 236 |
| 2024 | 225 | 212 |
| 2025 | 196 | 201 |
| 2026 | 92 | 148 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method of manufacturing permanent magnets6 Oct 2026US 12,755,879 B2
- Magnetic device for sorting biological objects29 Sep 2026US 12,749,606 B2Applied Cells Inc.
- Construction magnetic panel and method of manufacture22 Sep 2026US 12,744,144 B2Cuby Technologies Inc
- Connection structure and attachment structure15 Sep 2026US 12,733,747 B2Nintendo Co., Ltd.
- MRI compatible magnet for cochlear implant15 Sep 2026US 12,734,357 B2Zhejiang Nurotron Biotechnology Co., Ltd.
- Systems and methods for deploying and retrieving magnetically coupled temporary wireline fiber for broadside wave detection8 Oct 2026US 2026/0309022 A1
- Magnet retention system8 Oct 2026US 2026/0311920 A1Nairobi Incorporated
- Modular pet leash1 Oct 2026US 2026/0293853 A1
- Separable fastening devices, systems, and methods1 Oct 2026US 2026/0294050 A1Patmos Enterprises, LLC
- Field configurable autonomous land surface craft1 Oct 2026US 2026/0296612 A1The United States of America as represented by the Secretary of the Navy
Most cited
By later US patents
- Permanent magnet device for implantation420US 4,197,840 ABBC Brown, Boveri & Company, Limited · 1980
- Methods for forming anastomoses using magnetic force364US 6,352,543 B1Ventrica, Inc. · 2002
- Fitting device for accessory264US 5,367,891 AYugen Kaisha Furuyama Shouji · 1994
- Magnetic navigation system240US 7,019,610 B2Stereotaxis, Inc. · 2006
- Mechanical locking of floor panels with vertical snap folding225US 8,353,140 B2Välinge Innovation AB · 2013