H02P 25/0925
Wherein the converter comprises only one switch per phase
Official title: {wherein the converter comprises only one switch per phase}
H02P25/0925 (Wherein the converter comprises only one switch per phase) appears on 166 US grants and 86 published applications in this corpus.
Search patents in H02P- Granted patents
- 166
- Published applications
- 86
- Assignees
- 79
- Inventors
- 251
- Latest grant
- 15 Aug 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 7 | 0 |
| 1997 | 9 | 0 |
| 1998 | 17 | 0 |
| 1999 | 16 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 2 |
| 2002 | 9 | 6 |
| 2003 | 6 | 3 |
| 2004 | 3 | 2 |
| 2005 | 9 | 4 |
| 2006 | 3 | 4 |
| 2007 | 2 | 3 |
| 2008 | 3 | 2 |
| 2009 | 1 | 3 |
| 2010 | 3 | 2 |
| 2011 | 1 | 3 |
| 2012 | 4 | 3 |
| 2013 | 0 | 5 |
| 2014 | 2 | 7 |
| 2015 | 4 | 4 |
| 2016 | 4 | 8 |
| 2017 | 4 | 11 |
| 2018 | 10 | 6 |
| 2019 | 6 | 4 |
| 2020 | 2 | 1 |
| 2021 | 3 | 3 |
| 2022 | 0 | 0 |
| 2023 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Stepper motor drive systems and tubing occluder system15 Aug 2023US 11,724,098 B2Terumo Cardiovascular Systems Corporation
- Method and circuit arrangement for determining an incorrect operating state of an electrical machine28 Feb 2023US 11,594,997 B2Rolls-Royce Deutschland Ltd & Co KG
- DC input current ripple reduction in SRM drive for high volumetric power density applications21 Sep 2021US 11,128,248 B2The Universitv of Akron
- Method and apparatus for operating an electric motor2 Mar 2021US 10,938,331 B2Arm Limited
- Switched reluctance motor control system19 Jan 2021US 10,897,217 B2Caterpillar Inc.
- Stepper motor drive systems and tubing occluder system5 Aug 2021US 2021/0236704 A1Terumo Cardiovascular Systems Corporation
- Method and circuit arrangement for determining an incorrect operating state of an electrical machine1 Apr 2021US 2021/0099121 A1Rolls-Royce Deutschland Ltd & Co KG
- Dc input current ripple reduction in srm drive for high volumetric power density applications28 Jan 2021US 2021/0028737 A1The University of Akron
- Switched reluctance motor control system27 Feb 2020US 2020/0067433 A1Caterpillar Inc.
- Method and apparatus for operating an electric motor21 Nov 2019US 2019/0356258 A1Arm Limited
Most cited
By later US patents
- Control system for switched reluctance motor75US 4,707,650 AGeneral Electric Company · 1987
- Commutator for switched reluctance drive61US 4,739,240 AGeneral Electric Company · 1988
- Switched reluctance motor drive operating without a shaft position sensor60US 4,611,157 AGeneral Electric Company · 1986
- Regenerative unipolar converter for switched reluctance motors using one main switching device per phase56US 4,684,867 AGeneral Electric Company · 1987
- Resonant power electronic control of switched reluctance motor52US 5,689,164 AKabushiki Kaisha Toyoda Jidoshokki Seisakusho · 1997