H02P 25/22
Multiple windings
Official title: Multiple windings; Windings for more than three phases
H02P25/22 (Multiple windings) appears on 730 US grants and 857 published applications in this corpus.
Search patents in H02P- Granted patents
- 730
- Published applications
- 857
- Assignees
- 299
- Inventors
- 1,410
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 2 |
| 2004 | 2 | 2 |
| 2005 | 2 | 3 |
| 2006 | 2 | 8 |
| 2007 | 3 | 5 |
| 2008 | 7 | 14 |
| 2009 | 3 | 7 |
| 2010 | 5 | 8 |
| 2011 | 11 | 22 |
| 2012 | 10 | 17 |
| 2013 | 15 | 29 |
| 2014 | 23 | 31 |
| 2015 | 21 | 34 |
| 2016 | 29 | 47 |
| 2017 | 48 | 56 |
| 2018 | 37 | 47 |
| 2019 | 62 | 88 |
| 2020 | 75 | 94 |
| 2021 | 83 | 58 |
| 2022 | 81 | 76 |
| 2023 | 58 | 75 |
| 2024 | 68 | 52 |
| 2025 | 57 | 50 |
| 2026 | 21 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Switching device for AC motor8 Sep 2026US 12,732,126 B2Autonetworks Technologies, Ltd.
- Systems and methods for configurable electrical inverter8 Sep 2026US 12,732,127 B2BorgWarner Inc.
- Hybrid electric vehicle and a method of controlling driving of a motor therefor28 Jul 2026US 12,691,865 B2Hyundai Motor Company
- Motor winding neutral switching14 Jul 2026US 12,683,532 B2Eaton Intelligent Power Limited
- Systems and methods for configurable electrical inverter30 Jun 2026US 12,671,356 B2BorgWarner Inc.
- Winding switching device and winding switching system1 Oct 2026US 2026/0298988 A1Autonetworks Technologies, Ltd.
- Optimized control for dual wound synchronous motor drives with asymmetric supply voltages1 Oct 2026US 2026/0302991 A1
- Control apparatus for rotary electric machine, program, and control method thereof10 Sep 2026US 2026/0269759 A1Denso Corporation
- Active capability management of multiphase permanent magnet dc motor drives10 Sep 2026US 2026/0269763 A1
- Rotary electric machine13 Aug 2026US 2026/0238061 A1Denso Corporation
Most cited
By later US patents
- Mesh connected electrical rotating machine with span changing61US 6,838,791 B2Borealis Technical Limited · 2005
- Multi-phase electric motor with third harmonic current injection59US 6,710,495 B2Wisconsin Alumni Research Foundation · 2004
- Mesh connected electrical rotating machine with span changing55US 7,116,019 B2Borealis Technical Limited · 2006
- Auxiliary bus system47US 7,385,372 B2Siemens Atkiengesellschaft · 2008
- Apparatus for generating power from a turbine engine43US 8,492,920 B2GE Aviation Systems LLC · 2013