H02P 25/00
Arrangements or methods for the control of ac motors characterised by the
Official title: Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
H02P25/00 (Arrangements or methods for the control of ac motors characterised by the) appears on 4,454 US grants and 4,216 published applications in this corpus.
Search patents in H02P- Granted patents
- 4,454
- Published applications
- 4,216
- Assignees
- 1,489
- Inventors
- 7,636
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 14 | 0 |
| 1978 | 20 | 0 |
| 1979 | 20 | 0 |
| 1980 | 18 | 0 |
| 1981 | 25 | 0 |
| 1982 | 30 | 0 |
| 1983 | 22 | 0 |
| 1984 | 48 | 0 |
| 1985 | 23 | 0 |
| 1986 | 37 | 0 |
| 1987 | 35 | 0 |
| 1988 | 27 | 0 |
| 1989 | 24 | 0 |
| 1990 | 24 | 0 |
| 1991 | 29 | 0 |
| 1992 | 35 | 0 |
| 1993 | 31 | 0 |
| 1994 | 33 | 0 |
| 1995 | 30 | 0 |
| 1996 | 35 | 0 |
| 1997 | 52 | 0 |
| 1998 | 77 | 0 |
| 1999 | 92 | 0 |
| 2000 | 80 | 0 |
| 2001 | 51 | 19 |
| 2002 | 56 | 50 |
| 2003 | 36 | 38 |
| 2004 | 56 | 77 |
| 2005 | 62 | 91 |
| 2006 | 73 | 105 |
| 2007 | 84 | 88 |
| 2008 | 59 | 93 |
| 2009 | 64 | 92 |
| 2010 | 67 | 119 |
| 2011 | 73 | 118 |
| 2012 | 106 | 105 |
| 2013 | 106 | 150 |
| 2014 | 113 | 171 |
| 2015 | 131 | 185 |
| 2016 | 165 | 198 |
| 2017 | 203 | 226 |
| 2018 | 198 | 233 |
| 2019 | 233 | 287 |
| 2020 | 265 | 328 |
| 2021 | 282 | 225 |
| 2022 | 236 | 270 |
| 2023 | 235 | 267 |
| 2024 | 251 | 292 |
| 2025 | 261 | 224 |
| 2026 | 112 | 165 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Adaptive nut removal mode in a power tool6 Oct 2026US 12,752,406 B2Milwaukee Electric Tool Corporation
- Externally excited electric machine and stator winding reconfiguration method6 Oct 2026US 12,756,344 B2Dana Automotive Systems Group, LLC
- Systems for power module assembly for inverter6 Oct 2026US 12,756,345 B2BorgWarner US Technologies LLC
- Motor control device29 Sep 2026US 12,749,996 B2Lutron Technology Company LLC
- Motor controller15 Sep 2026US 12,738,871 B2Infineon Technologies Austria AG
- Drug delivery device with an improved mechanism for controlling the delivery rate8 Oct 2026US 2026/0306740 A1Ypsomed AG
- Drive system of working machine8 Oct 2026US 2026/0308868 A1
- Rotor, separately excited synchronous machine and motor vehicle8 Oct 2026US 2026/0312469 A1
- Method of identifying the parameters of a permanent magnet synchronous motor8 Oct 2026US 2026/0312518 A1Arol S.P.A.
- Contactless wound-field rotor8 Oct 2026US 2026/0312524 A1Aisin Corporation
Most cited
By later US patents
- Cordless, battery operated surical tool1,621US 5,747,953 AStryker Corporation · 1998
- Method and apparatus for quiet variable motor speed control1,483US 7,330,004 B2Lutron Electronics Co., Inc. · 2008
- Direct current motor with independently driven and switchable stators1,152US 8,575,880 B22013
- Apparatus and method for controlling driving of linear motor1,064US 6,998,736 B2LG Electronics Inc. · 2006
- Linear motor and linear compressor using the same1,020US 7,489,055 B2LG Electronics Inc. · 2009