H02K 21/26
Synchronous motors having permanent magnets: with rotating armatures and stationary magnets
Official title: with rotating armatures and stationary magnets
H02K21/26 (Synchronous motors having permanent magnets: with rotating armatures and stationary magnets) appears on 120 US grants and 130 published applications in this corpus.
Search patents in H02K- Granted patents
- 120
- Published applications
- 130
- Assignees
- 88
- Inventors
- 248
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 3 |
| 2002 | 4 | 1 |
| 2003 | 1 | 2 |
| 2004 | 2 | 2 |
| 2005 | 1 | 1 |
| 2006 | 1 | 4 |
| 2007 | 3 | 2 |
| 2008 | 1 | 1 |
| 2009 | 1 | 3 |
| 2010 | 1 | 3 |
| 2011 | 1 | 1 |
| 2012 | 1 | 6 |
| 2013 | 1 | 4 |
| 2014 | 2 | 10 |
| 2015 | 5 | 4 |
| 2016 | 4 | 4 |
| 2017 | 3 | 5 |
| 2018 | 6 | 12 |
| 2019 | 9 | 3 |
| 2020 | 7 | 11 |
| 2021 | 4 | 8 |
| 2022 | 8 | 14 |
| 2023 | 6 | 12 |
| 2024 | 12 | 5 |
| 2025 | 9 | 7 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method of aligning a stationary rotor of a synchronous motor at a configured rotor angle and a controller therefor26 May 2026US 12,640,631 B1Kinetic Technologies International Holdings LP
- Electromagnetic power transfer system5 May 2026US 12,620,845 B2
- Motor and apparatus using the same24 Feb 2026US 12,560,173 B2Canon Kabushiki Kaisha
- Generator13 Jan 2026US 12,525,859 B2
- Flux machine21 Oct 2025US 12,451,741 B2ClearWater Holdings, Ltd.
- Turbomachine comprising a permanent-magnet electric machine for powering a rotating load2 Jul 2026US 2026/0184431 A1Safran Aircraft Engines
- Adding rotors in series2 Jul 2026US 2026/0189115 A1Nextpower360 Co.
- Hybrid venting apparatus for generating electricity, system and method18 Sep 2025US 2025/0290488 A1Rebus Corporation Pty Ltd
- Power generating device10 Jul 2025US 2025/0226727 A1Coplus Inc.
- Electric generator with reduced input power3 Jul 2025US 2025/0219518 A1Zsph3 LLC
Most cited
By later US patents
- Compound interaction/induction electric rotating machine107US 4,441,043 A1984
- Lightweight high power electromotive device107US 4,900,965 AFisher Technology, Inc. · 1990
- Electric power generators having like numbers of magnets and coils77US 5,184,040 A1993
- Rotating electric machine65US 4,280,072 AMatsushita Electric Industrial Co., Ltd. · 1981
- Compact generator, light-emitting wheel having the same, and manufacturing method therefor56US 6,398,395 B1Teltek Co., Ltd. · 2002