H02K 2201/06
Magnetic cores, or permanent magnets characterised by their skew
H02K2201/06 (Magnetic cores, or permanent magnets characterised by their skew) appears on 571 US grants and 575 published applications in this corpus.
Search patents in H02K- Granted patents
- 571
- Published applications
- 575
- Assignees
- 296
- Inventors
- 1,350
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 6 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 7 | 0 |
| 1987 | 7 | 0 |
| 1988 | 3 | 0 |
| 1989 | 10 | 0 |
| 1990 | 13 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 8 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 11 | 0 |
| 1998 | 11 | 0 |
| 1999 | 26 | 0 |
| 2000 | 13 | 0 |
| 2001 | 17 | 0 |
| 2002 | 8 | 13 |
| 2003 | 6 | 5 |
| 2004 | 10 | 16 |
| 2005 | 22 | 14 |
| 2006 | 6 | 13 |
| 2007 | 7 | 12 |
| 2008 | 7 | 13 |
| 2009 | 9 | 12 |
| 2010 | 10 | 15 |
| 2011 | 16 | 14 |
| 2012 | 11 | 18 |
| 2013 | 12 | 22 |
| 2014 | 9 | 23 |
| 2015 | 14 | 22 |
| 2016 | 12 | 33 |
| 2017 | 14 | 17 |
| 2018 | 28 | 38 |
| 2019 | 24 | 50 |
| 2020 | 41 | 35 |
| 2021 | 39 | 25 |
| 2022 | 24 | 32 |
| 2023 | 21 | 38 |
| 2024 | 19 | 34 |
| 2025 | 21 | 29 |
| 2026 | 19 | 32 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Motor rotor structure and motor6 Oct 2026US 12,756,249 B2Splash Pool & Spa, Inc.
- Rotor, rotary electric machine, and drive device6 Oct 2026US 12,756,252 B2Nidec Corporation
- High-power multiphase electric machine with reduced mutual inductance interaction8 Sep 2026US 12,732,075 B2Cummins Inc.
- Electric drive system4 Aug 2026US 12,700,783 B2DeepDrive GmbH
- Laminated iron core and manufacturing device and manufacturing method therefor28 Jul 2026US 12,695,366 B2Kuroda Precision Industries Ltd.
- Permanent magnet rotor8 Oct 2026US 2026/0312447 A1ABB Schweiz AG
- Rotor design for permanent magnet motor24 Sep 2026US 2026/0291307 A1Panasonic Intellectual Property Management Co., Ltd.
- Fan assembly including an optimised motor24 Sep 2026US 2026/0291311 A1|.M.E. Industria Motori Elettrici S.P.A.
- Motor27 Aug 2026US 2026/0254299 A1Denso Corporation
- Electric machine with integrated rotor27 Aug 2026US 2026/0254301 A1
Most cited
By later US patents
- Permanent magnet d.c. motor having a radially-disposed working flux gap150US 5,659,217 A1997
- Motor using rotor including interior permanent magnet, and apparatus-driving-unit employing the same motor111US 6,218,753 B1Matsushita Electric Industrial C., Ltd. · 2001
- Permanent-magnet synchronous motor91US 5,642,013 A1997
- Rotary motor and production method thereof, and laminated core and production method thereof91US 5,859,486 AMitsubishi Denki Kabushiki Kaisha · 1999
- Alternator for vehicle91US 5,955,810 ADenso Corporation · 1999