H02K 1/279
Magnets embedded in the magnetic core
H02K1/279 (Magnets embedded in the magnetic core) appears on 51 US grants and 64 published applications in this corpus.
Search patents in H02K- Granted patents
- 51
- Published applications
- 64
- Assignees
- 57
- Inventors
- 175
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 4 |
| 2014 | 1 | 8 |
| 2015 | 2 | 5 |
| 2016 | 5 | 3 |
| 2017 | 3 | 4 |
| 2018 | 5 | 7 |
| 2019 | 5 | 4 |
| 2020 | 4 | 1 |
| 2021 | 0 | 4 |
| 2022 | 1 | 3 |
| 2023 | 2 | 2 |
| 2024 | 5 | 7 |
| 2025 | 3 | 5 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flux-concentrating rotor structure16 Jun 2026US 12,658,749 B2Delta Electronics, Inc.
- Selectively pocketed back iron for axial flux machines21 Apr 2026US 12,609,567 B1E-Circuit Motors, Inc.
- Rotating electric machine20 Jan 2026US 12,531,450 B2Mitsubishi Electric Corporation
- Systems and methods combining discrete flux-directed magnet assemblies that integrate magnetic gear boxes with single or dual rotor machines4 Nov 2025US 12,463,514 B2
- Outer rotor of permanent magnet assisted synchronous reluctance motor and permanent magnet synchronous motor comprising the same30 Sep 2025US 12,431,750 B2Zhongshan Broad-Ocean Motor Co., Ltd.
- Rotor30 Apr 2026US 2026/0121468 A1Toyota Jidosha Kabushiki Kaisha
- High-speed engine for a motor vehicle26 Mar 2026US 2026/0088670 A1Dr. Ing. h,c.F. Porsche Aktiengesellschaft
- Systems and methods combining discrete flux-directed magnet assemblies that integrate magnetic gear boxes with single or dual rotor machines5 Mar 2026US 2026/0066755 A1
- Rotor assemblies for radial/axial permanent magnet synchronous machines and methods for producing axial permanent magnet synchronous machine rotor assemblies5 Feb 2026US 2026/0039159 A1
- Motor and clothes treating apparatus25 Dec 2025US 2025/0392178 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Rotor of magnetic generator45US 4,877,986 AMitsubishi Denki Kabushiki Kaisha · 1989
- Rotor32US 5,477,092 ABritish Nuclear Fuels plc · 1995
- Rotors26US 5,717,263 ABritish Nuclear Fuels plc · 1998
- Multiphase and multipole electrical machine25US 5,744,888 ATiedtke-Buhling-Kinne & Partner · 1998
- Harmonic-frequency synchronous machine with flux concentration20US 6,628,031 B2Siemens Aktiengesellschaft · 2003