H02P 25/28
Using magnetic devices with controllable degree of saturation
Official title: using magnetic devices with controllable degree of saturation, e.g. transductors
H02P25/28 (Using magnetic devices with controllable degree of saturation) appears on 8 US grants and 12 published applications in this corpus.
Search patents in H02P- Granted patents
- 8
- Published applications
- 12
- Assignees
- 11
- Inventors
- 27
- Latest grant
- 18 May 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 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 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 3 |
| 2010 | 2 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 2 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 2 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Permanent magnet synchronous motor18 May 2021US 11,011,965 B2Nissan Motor Co., Ltd.
- Permanent magnet generator inductance profile identification6 Sep 2016US 9,438,155 B2Vestas Wind Systems A/S
- Flux controlled PM electric machine rotor19 Apr 2016US 9,318,937 B2Hamilton Sundstrand Corporation
- Saturation control of electric machine16 Aug 2011US 7,999,431 B2Pratt & Whitney Canada Corp.
- Stacked rail stator and capacitive armature linear motor9 Nov 2010US 7,830,059 B2
- Dual inverter integrated charger with synchronous motors having open-end winding configuration23 Jul 2026US 2026/0213692 A1Jacobi Motors, LLC
- Drive system for driving a fluid compression device and associated power supply method17 Nov 2022US 2022/0368266 A1
- Drive system for driving a fluid compression device and associated power supply method18 Aug 2022US 2022/0263451 A1
- Permanent magnet synchronous motor2 Aug 2018US 2018/0219463 A1Nissan Motor Co., Ltd.
- Flux controlled pm electric machine rotor25 Sep 2014US 2014/0285053 A1Hamilton Sundstrand Corporation
Most cited
By later US patents
- Saturation control of electric machine4US 7,545,056 B2Pratt & Whitney Canada Corp. · 2009
- Saturation control of electric machine3US 7,999,431 B2Pratt & Whitney Canada Corp. · 2011
- Electric vehicle drive apparatus2US 7,825,623 B2Mitsuba Corporation · 2010
- Permanent magnet synchronous motor1US 11,011,965 B2Nissan Motor Co., Ltd. · 2021
- Motor control circuits1US 4,214,195 AInductive Controls Limited · 1980