H02K 19/103
Motors having windings on the stator and a variable reluctance soft-iron rotor
Official title: {Motors having windings on the stator and a variable reluctance soft-iron rotor without windings}
H02K19/103 (Motors having windings on the stator and a variable reluctance soft-iron rotor) appears on 583 US grants and 500 published applications in this corpus.
Search patents in H02K- Granted patents
- 583
- Published applications
- 500
- Assignees
- 306
- Inventors
- 1,074
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 7 | 0 |
| 1991 | 6 | 0 |
| 1992 | 9 | 0 |
| 1993 | 7 | 0 |
| 1994 | 5 | 0 |
| 1995 | 8 | 0 |
| 1996 | 13 | 0 |
| 1997 | 14 | 0 |
| 1998 | 22 | 0 |
| 1999 | 35 | 0 |
| 2000 | 23 | 0 |
| 2001 | 18 | 2 |
| 2002 | 12 | 19 |
| 2003 | 4 | 13 |
| 2004 | 26 | 20 |
| 2005 | 12 | 18 |
| 2006 | 13 | 20 |
| 2007 | 15 | 16 |
| 2008 | 10 | 13 |
| 2009 | 13 | 10 |
| 2010 | 11 | 18 |
| 2011 | 11 | 11 |
| 2012 | 11 | 24 |
| 2013 | 8 | 29 |
| 2014 | 12 | 26 |
| 2015 | 8 | 24 |
| 2016 | 9 | 30 |
| 2017 | 22 | 27 |
| 2018 | 21 | 31 |
| 2019 | 29 | 39 |
| 2020 | 50 | 27 |
| 2021 | 24 | 19 |
| 2022 | 19 | 21 |
| 2023 | 17 | 15 |
| 2024 | 15 | 14 |
| 2025 | 12 | 7 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Motor rotor, self-starting synchronous reluctance motor comprising same, and compressor6 Oct 2026US 12,756,283 B2Gree Electric Appliances, Inc. of Zhuhai
- Four-pole synchronous reluctance motor9 Jun 2026US 12,651,936 B2Siemens Aktiengesellschaft
- Synchronous reluctance motor9 Jun 2026US 12,651,938 B2Mitsubishi Electric Corporation
- Electric machine and motor vehicle with wall element and tooth head ring17 Mar 2026US 12,580,432 B2Dr. Ing. h,c.F. Porsche Aktiengesellschaft
- High torque density 3D flux segmented-rotor switched reluctance machine23 Dec 2025US 12,506,372 B2Board of Regents, The University of Texas System
- Synchronous electric machine with fixed clawed inductor17 Sep 2026US 2026/0280362 A1
- Electromechanical actuator comprising a compact and low-noise synchronous reluctance motor27 Aug 2026US 2026/0254297 A1Somfy Activites SA
- Rotor and switched reluctance motor21 May 2026US 2026/0142511 A1Isuzu Motors Limited
- Synchronous reluctance motor and design method thereof26 Mar 2026US 2026/0088668 A1National Ilan University
- Switched reluctance motor with asymmetric loss distribution19 Mar 2026US 2026/0081497 A1
Most cited
By later US patents
- Methods and apparatus for increasing power of permanent magnet motors1,432US 6,777,838 B22004
- Wind turbine119US 7,042,109 B22006
- Method of manufacturing micromechanical devices111US 5,206,983 AWisconsin Alumni Research Foundation · 1993
- Polyphase switched reluctance motor101US 5,111,095 AMagna Physics Corporation · 1992
- Variable speed variable reluctance electrical machines93US 4,670,696 AKollmorgen Technologies Corporation · 1987