H02P 27/08
With pulse width modulation
Official title: with pulse width modulation
H02P27/08 (With pulse width modulation) appears on 3,442 US grants and 3,839 published applications in this corpus.
Search patents in H02P- Granted patents
- 3,442
- Published applications
- 3,839
- Assignees
- 867
- Inventors
- 6,017
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 8 | 0 |
| 1982 | 2 | 0 |
| 1983 | 7 | 0 |
| 1984 | 17 | 0 |
| 1985 | 6 | 0 |
| 1986 | 7 | 0 |
| 1987 | 7 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 7 | 0 |
| 1991 | 11 | 0 |
| 1992 | 8 | 0 |
| 1993 | 6 | 0 |
| 1994 | 8 | 0 |
| 1995 | 9 | 0 |
| 1996 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 10 | 0 |
| 1999 | 17 | 0 |
| 2000 | 11 | 0 |
| 2001 | 10 | 5 |
| 2002 | 11 | 8 |
| 2003 | 10 | 10 |
| 2004 | 6 | 15 |
| 2005 | 6 | 25 |
| 2006 | 25 | 23 |
| 2007 | 14 | 20 |
| 2008 | 17 | 36 |
| 2009 | 11 | 45 |
| 2010 | 31 | 61 |
| 2011 | 42 | 71 |
| 2012 | 56 | 78 |
| 2013 | 67 | 104 |
| 2014 | 78 | 103 |
| 2015 | 118 | 111 |
| 2016 | 99 | 172 |
| 2017 | 190 | 309 |
| 2018 | 246 | 282 |
| 2019 | 287 | 335 |
| 2020 | 315 | 353 |
| 2021 | 308 | 296 |
| 2022 | 316 | 322 |
| 2023 | 277 | 317 |
| 2024 | 286 | 342 |
| 2025 | 312 | 245 |
| 2026 | 132 | 151 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Complex motor and heater driving circuit, and control system therefor6 Oct 2026US 12,752,600 B2Hanon Systems
- Power battery charging method, motor control circuit, and vehicle29 Sep 2026US 12,749,912 B2BYD Company Limited
- Motor drive device29 Sep 2026US 12,749,992 B2Kabushiki Kaisha Toyota Jidoshokki
- Method for controlling a three-phase electric machine and control unit and system thereof29 Sep 2026US 12,749,994 B2Politecnico Di Torino
- Slew rate controllable system for powering electric machine29 Sep 2026US 12,749,998 B2GM Global Technology Operations LLC
- Rotary electric machine control device, electric power steering device, and vehicle8 Oct 2026US 2026/0312519 A1Mitsubishi Electric Mobility Corporation
- Control factor based matrix converter control in a motor drive unit8 Oct 2026US 2026/0312525 A1Vidar Corporation
- Systems and methods for rotor assemblies and manufacturing thereof1 Oct 2026US 2026/0296634 A1Archer Aviation Inc.
- Winding switching device and winding switching system1 Oct 2026US 2026/0298988 A1Autonetworks Technologies, Ltd.
- Indexed compensation for a motor drive system1 Oct 2026US 2026/0302993 A1Power Integrations, Inc.
Most cited
By later US patents
- HVAC actuator with automatic end stop recalibration963US 9,641,122 B2Johnson Controls Technology Company · 2017
- Apparatus for controlling electric motor861US 4,788,485 AMitsubishi Denki Kabushiki Kaisha · 1988
- Method for estimating service life of motor, motor control system, blower system, and multicopter system225US 10,374,544 B2Nidec Corporation · 2019
- DC bus voltage balancing and control in multilevel inverters175US 6,031,738 AWisconsin Alumni Research Foundation · 2000
- Electric motor and motor control173US 8,575,873 B2Nidec Motor Corporation · 2013