H01F 7/0242
Magnetic drives, magnetic coupling devices
Official title: {Magnetic drives, magnetic coupling devices}
H01F7/0242 (Magnetic drives, magnetic coupling devices) appears on 193 US grants and 238 published applications in this corpus.
Search patents in H01F- Granted patents
- 193
- Published applications
- 238
- Assignees
- 128
- Inventors
- 377
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 2 | 2 |
| 2006 | 1 | 3 |
| 2007 | 0 | 1 |
| 2008 | 1 | 3 |
| 2009 | 2 | 5 |
| 2010 | 2 | 4 |
| 2011 | 10 | 12 |
| 2012 | 5 | 14 |
| 2013 | 20 | 18 |
| 2014 | 14 | 16 |
| 2015 | 7 | 14 |
| 2016 | 11 | 12 |
| 2017 | 10 | 13 |
| 2018 | 7 | 18 |
| 2019 | 12 | 13 |
| 2020 | 9 | 14 |
| 2021 | 16 | 21 |
| 2022 | 14 | 15 |
| 2023 | 18 | 6 |
| 2024 | 11 | 11 |
| 2025 | 9 | 12 |
| 2026 | 6 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of manufacturing permanent magnets6 Oct 2026US 12,755,879 B2
- External adjustment device18 Aug 2026US 12,708,406 B2NuVasive, Inc.
- Adjustment of magnetic force in a computing device14 Apr 2026US 12,602,089 B2Intel Corporation
- Contactless locking of ratchet columns24 Mar 2026US 12,583,094 B2MTS Maschinenbau GmbH
- Variable field magnetic couplers and methods for engaging a ferromagnetic workpiece17 Mar 2026US 12,580,142 B2Magswitch Automation Company
- R-t-b sintered magnet17 Sep 2026US 2026/0279626 A1Proterial, Ltd.
- Variable field magnetic couplers and methods for engaging a ferromagnetic workpiece27 Aug 2026US 2026/0253824 A1Magswitch Automation Company
- External adjustment device20 Aug 2026US 2026/0240570 A1NuVasive Specialized Orthopedics, Inc.
- Magnetized linear actuators and actuator assemblies using the same20 Aug 2026US 2026/0243335 A1Southco, Inc.
- Eddy current retarder6 Aug 2026US 2026/0225460 A1Nippon Steel Corporation
Most cited
By later US patents
- Dynamically stable magnetic suspension/bearing system205US 5,495,221 AThe Regents of the University of California · 1996
- Devices and methods for forming magnetic anastomoses between vessels138US 8,518,062 B2Medtronic, Inc. · 2013
- Auto-aligning and connecting structure between electronic device and accessory134US 7,541,907 B2High Tech Computer, Corp. · 2009
- Magnetic connector apparatus129US 7,154,363 B22006
- Magnet array for coupling and aligning an accessory to an electronic device79US 8,073,324 B2Apple Inc. · 2011