H02K 1/17
Stator cores with permanent magnets
H02K1/17 (Stator cores with permanent magnets) appears on 685 US grants and 701 published applications in this corpus.
Search patents in H02K- Granted patents
- 685
- Published applications
- 701
- Assignees
- 387
- Inventors
- 1,509
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 6 | 0 |
| 1979 | 5 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 6 | 0 |
| 1984 | 7 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 7 | 0 |
| 1989 | 11 | 0 |
| 1990 | 11 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 12 | 0 |
| 1994 | 9 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 8 | 0 |
| 1998 | 9 | 0 |
| 1999 | 12 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 4 |
| 2002 | 7 | 10 |
| 2003 | 7 | 10 |
| 2004 | 13 | 12 |
| 2005 | 7 | 13 |
| 2006 | 13 | 13 |
| 2007 | 6 | 14 |
| 2008 | 4 | 13 |
| 2009 | 8 | 17 |
| 2010 | 10 | 21 |
| 2011 | 13 | 20 |
| 2012 | 10 | 12 |
| 2013 | 8 | 27 |
| 2014 | 10 | 25 |
| 2015 | 17 | 43 |
| 2016 | 22 | 43 |
| 2017 | 25 | 48 |
| 2018 | 35 | 53 |
| 2019 | 47 | 55 |
| 2020 | 59 | 54 |
| 2021 | 46 | 40 |
| 2022 | 33 | 44 |
| 2023 | 33 | 43 |
| 2024 | 41 | 33 |
| 2025 | 30 | 18 |
| 2026 | 12 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Axial air gap electric rotary motor25 Aug 2026US 12,719,341 B2Moog Inc.
- Systems and methods for improved rotor assembly for use with a stator11 Aug 2026US 12,703,484 B2MagLev Aero Inc.
- Permanent magnet energy convertor11 Aug 2026US 12,706,492 B2Rubicon Energy BV
- Motor winding neutral switching14 Jul 2026US 12,683,532 B2Eaton Intelligent Power Limited
- Lens moving apparatus with a bobbin comprising a groove and elastic members and camera module including the same7 Jul 2026US 12,674,956 B2LG Innotek Co., Ltd.
- Constant force generator and apparatus including it24 Sep 2026US 2026/0291303 A1Nippon Pulse Motor Co., Ltd.
- Aircraft landing gear comprising a wheel with integrated magnetic braking device and aircraft equipped with such a landing gear17 Sep 2026US 2026/0280382 A1Safran Landing Systems
- Actuator27 Aug 2026US 2026/0254293 A1Iwaki Co., Ltd.
- Motor and oral cleaning device27 Aug 2026US 2026/0254294 A1Shenzhen Soocas Technology Co., Ltd.
- Assembly process for a magnet module of a motor16 Jul 2026US 2026/0204991 A1Dongguan Jinconn New Material Co., Ltd.
Most cited
By later US patents
- Method of manufacturing motor100US 4,573,258 AAtsugi Motor Parts Company, Limited · 1986
- Molded resin motor housing84US 5,268,607 AWebster Plastics · 1993
- Electric motor control71US 4,412,146 A1983
- Method of making permanent magnet assembly70US 4,845,837 AEmerson Electric Co. · 1989
- Magnet array for a shaft-type linear motor67US 6,313,551 B1Nikon Corporation · 2001