H02K 3/18
Windings for salient poles
H02K3/18 (Windings for salient poles) appears on 859 US grants and 1,042 published applications in this corpus.
Search patents in H02K- Granted patents
- 859
- Published applications
- 1,042
- Assignees
- 459
- Inventors
- 2,042
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 8 | 0 |
| 1998 | 6 | 0 |
| 1999 | 13 | 0 |
| 2000 | 15 | 0 |
| 2001 | 12 | 3 |
| 2002 | 9 | 17 |
| 2003 | 10 | 5 |
| 2004 | 12 | 11 |
| 2005 | 13 | 12 |
| 2006 | 11 | 13 |
| 2007 | 4 | 8 |
| 2008 | 2 | 14 |
| 2009 | 7 | 16 |
| 2010 | 16 | 19 |
| 2011 | 11 | 19 |
| 2012 | 10 | 19 |
| 2013 | 17 | 31 |
| 2014 | 16 | 40 |
| 2015 | 16 | 38 |
| 2016 | 23 | 61 |
| 2017 | 35 | 147 |
| 2018 | 44 | 83 |
| 2019 | 123 | 102 |
| 2020 | 89 | 75 |
| 2021 | 64 | 66 |
| 2022 | 61 | 60 |
| 2023 | 41 | 59 |
| 2024 | 54 | 44 |
| 2025 | 42 | 44 |
| 2026 | 17 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Stator structure, motor, and electrical equipment1 Sep 2026US 12,726,065 B2Midea Welling Motor Technology (Shanghai) Co., Ltd.
- Stator of an electric flux machine, and axial flux machine25 Aug 2026US 12,719,321 B2Schaeffler Technologies AG & Co. KG
- Stacked plate stator system and device7 Jul 2026US 12,676,524 B1
- Coil, stator, and motor16 Jun 2026US 12,658,752 B2Aster Co., Ltd.
- Wirelessly transferring power within an electric machine having AC and DC rotor coils9 Jun 2026US 12,651,992 B2Tau Motors, Inc.
- Winding for a stator of an electric machine, comprising a further insulation surrounding an individual wire insulation1 Oct 2026US 2026/0302865 A1Schaeffler Technologies AG & Co. KG
- Integrated common-mode filter core for open-ended winding electric motor1 Oct 2026US 2026/0303049 A1Purdue Research Foundation
- Motor27 Aug 2026US 2026/0254289 A1Kawasaki Jukogyo Kabushiki Kaisha
- Motor20 Aug 2026US 2026/0246316 A1MINEBEA MITSUMI Inc.
- Work machine20 Aug 2026US 2026/0246408 A1Koki Holdings Co., Ltd.
Most cited
By later US patents
- Methods and apparatus for increasing power of permanent magnet motors1,432US 6,777,838 B22004
- Alternator for an automotive vehicle130US 5,998,903 ADenso Corporation · 1999
- Electric machine98US 6,720,688 B12004
- Motor mounted in a vehicle94US 6,011,339 AShibaura Engineering Works Co., Ltd. · 2000
- Permanent-magnet synchronous motor91US 5,642,013 A1997