H02P 25/26
With arrangements for controlling secondary impedance
Official title: with arrangements for controlling secondary impedance
H02P25/26 (With arrangements for controlling secondary impedance) appears on 33 US grants and 10 published applications in this corpus.
Search patents in H02P- Granted patents
- 33
- Published applications
- 10
- Assignees
- 22
- Inventors
- 70
- Latest grant
- 8 Mar 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 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 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 2 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 2 | 1 |
| 2020 | 1 | 3 |
| 2021 | 1 | 0 |
| 2022 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Electric motor with shielded phase windings8 Mar 2022US 11,271,510 B1Apple Inc.
- Motor control device and motor control method15 Feb 2022US 11,251,732 B2Jtekt Corporation
- Electronic control device and operation control method therefor6 Apr 2021US 10,970,147 B2Mitsubishi Electric Corporation
- Drive circuit for electric motors17 Nov 2020US 10,840,830 B2Regal Beloit America, Inc.
- Electric motor with shielded phase windings3 Dec 2019US 10,498,280 B1Apple Inc.
- Motor control device and motor control method30 Apr 2020US 2020/0136543 A1Jtekt Corporation
- Circuit arrangement and method for operating a circuit arrangement19 Mar 2020US 2020/0091852 A1Martin Kfz-Technik GmbH
- Drive circuit for electric motors6 Feb 2020US 2020/0044583 A1Regal Beloit America, Inc.
- Electronic control device and operation control method therefor7 Mar 2019US 2019/0073256 A1Mitsubishi Electric Corporation
- Psc motor having multiple speed and voltage configurations13 Sep 2018US 2018/0262147 A1Regal Beloit America, Inc.
Most cited
By later US patents
- Halbach array generator/motor having an automatically regulated output voltage and mechanical power output36US 6,858,962 B2The Regents of the University of California · 2005
- Motor control system21US 4,344,025 AHitachi, Ltd. · 1982
- Apparatus and method for controlling drive of three-phase multiplex winding motor18US 6,107,774 AMeidensha Corporation · 2000
- Electronic control system for motors and the like14US 4,065,804 A1977
- Harmonic eliminating apparatus13US 4,206,395 AHitachi, Ltd. · 1980