H02K 19/02
Synchronous motors
H02K19/02 (Synchronous motors) appears on 1,027 US grants and 997 published applications in this corpus.
Search patents in H02K- Granted patents
- 1,027
- Published applications
- 997
- Assignees
- 496
- Inventors
- 1,963
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 7 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 7 | 0 |
| 1989 | 7 | 0 |
| 1990 | 8 | 0 |
| 1991 | 8 | 0 |
| 1992 | 12 | 0 |
| 1993 | 10 | 0 |
| 1994 | 13 | 0 |
| 1995 | 12 | 0 |
| 1996 | 18 | 0 |
| 1997 | 15 | 0 |
| 1998 | 28 | 0 |
| 1999 | 36 | 0 |
| 2000 | 27 | 0 |
| 2001 | 23 | 3 |
| 2002 | 14 | 20 |
| 2003 | 6 | 19 |
| 2004 | 29 | 23 |
| 2005 | 17 | 23 |
| 2006 | 17 | 25 |
| 2007 | 19 | 25 |
| 2008 | 15 | 19 |
| 2009 | 17 | 16 |
| 2010 | 16 | 30 |
| 2011 | 15 | 25 |
| 2012 | 15 | 35 |
| 2013 | 11 | 40 |
| 2014 | 25 | 50 |
| 2015 | 17 | 46 |
| 2016 | 18 | 60 |
| 2017 | 51 | 84 |
| 2018 | 50 | 66 |
| 2019 | 74 | 77 |
| 2020 | 89 | 66 |
| 2021 | 56 | 54 |
| 2022 | 53 | 52 |
| 2023 | 31 | 37 |
| 2024 | 44 | 40 |
| 2025 | 31 | 35 |
| 2026 | 20 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Motor rotor, self-starting synchronous reluctance motor comprising same, and compressor6 Oct 2026US 12,756,283 B2Gree Electric Appliances, Inc. of Zhuhai
- Rotor for an externally excited synchronous machine29 Sep 2026US 12,749,951 B2Mahle International GmbH
- Electric motor having rotor and squirrel cage winding22 Sep 2026US 12,744,438 B2Sew-Eurodrive GmbH & Co. KG
- ESM with reduced torque ripple15 Sep 2026US 12,738,781 B2Audi AG
- Motor for laundry apparatus15 Sep 2026US 12,738,803 B2LG Electronics Inc.
- Electric Machine, Electric Axle Drive, Motor Vehicle, And Method For Manufacturing An Electric Machine8 Oct 2026US 2026/0312475 A1ZF Friedrichshafen AG
- 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
- Electromagnetic reaction wheel13 Aug 2026US 2026/0238101 A1National Tsing Hua University
- Field winding type rotary electric machine13 Aug 2026US 2026/0238102 A1Denso Corporation
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