H02K 23/44
Having movable
Official title: having movable, e.g. turnable, iron parts
H02K23/44 (Having movable) appears on 14 US grants and 6 published applications in this corpus.
Search patents in H02K- Granted patents
- 14
- Published applications
- 6
- Assignees
- 12
- Inventors
- 23
- Latest grant
- 13 Oct 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 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 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 2 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Multi-rotor permanent magnet synchronous motor13 Oct 2020US 10,804,779 B2Gam Shine Technology Co., Limited
- Electromagnetic device with reversible generator-motor operation17 Sep 2013US 8,536,751 B2Avio S.P. A.
- Modular electromagnetic device with reversible generator-motor operation15 Jan 2013US 8,354,768 B2Avio S.P. A.
- System for controlling motor speed by altering magnetic field of the motor16 May 2006US 7,045,983 B2Ford Motor Company
- Electrical machines1 Oct 2002US 6,459,179 B1
- Multi-rotor permanent magnet synchronous motor21 Jun 2018US 2018/0175711 A1Gam Shine Technology Co., Limited
- Centrifugal electric pump for suction of aeriform fluids17 Dec 2015US 2015/0361986 A1E.M.B. Corporation
- Electromagnetic device with reversible generator-motor operation3 Feb 2011US 2011/0025066 A1Avio S.P. A.
- Modular electromagnetic device with reversible generator-motor operation3 Feb 2011US 2011/0025067 A1Avio S.P. A.
- System for controlling motor speed by altering magnetic field of the motor18 Aug 2005US 2005/0179413 A1Visteon Global Technologies, Inc.
Most cited
By later US patents
- Modular electromagnetic device with reversible generator-motor operation69US 8,354,768 B2Avio S.P. A. · 2013
- Electrical machines28US 4,823,039 A1989
- Electric motor17US 4,049,984 ASony Corporation · 1977
- Variable flux permanent magnets electromagnetic machine17US 4,481,437 AHitachi Metals International, Ltd. · 1984
- Electrical machines14US 6,040,645 ALondon Innovation Ltd. · 2000