H02K 23/56
Motors or generators having iron cores separated from armature winding
Official title: Motors or generators having iron cores separated from armature winding
H02K23/56 (Motors or generators having iron cores separated from armature winding) appears on 46 US grants and 13 published applications in this corpus.
Search patents in H02K- Granted patents
- 46
- Published applications
- 13
- Assignees
- 29
- Inventors
- 79
- Latest grant
- 25 Jun 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 3 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 2 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Armature with winding segments having conductors engaged with end plates secured to an armature core25 Jun 2024US 12,021,422 B2Denso Corporation
- Double stator permanent magnet machine4 Jun 2019US 10,312,782 B2Board of Regents, The University of Texas System
- Electric direct current motor with flexible rotor assembly and method for the manufacture thereof13 Nov 2018US 10,128,716 B2Lakeview Innovation Ltd.
- Electric direct-current motor with flexible rotor assembly and method for the manufacture thereof7 Feb 2017US 9,564,783 B2Lakeview Innovation Ltd.
- Generator with non-magnetic rotor17 Dec 2013US 8,610,325 B2
- Armature7 Apr 2022US 2022/0109358 A1Denso Corporation
- Electric direct current motor with flexible rotor assembly and method for the manufacture thereof5 May 2016US 2016/0126796 A1Maxon Motor AG
- Double stator permanent magnet machine19 Feb 2015US 2015/0048704 A1Board of Regents, The University of Texas System
- Electric direct-current motor with flexible rotor assembly and method for the manufacture thereof17 Oct 2013US 2013/0270941 A1Maxon Motor AG
- Generator with non-magnetic rotor31 May 2012US 2012/0133228 A1
Most cited
By later US patents
- Lightweight high power electromagnetic transducer92US 5,004,944 AUnique Mobility, Inc. · 1991
- Electric motor control71US 4,412,146 A1983
- Lightweight high power electromagnetic transducer61US 5,311,092 AUnique Mobility, Inc. · 1994
- Noise and vibration dampened electric motor such as for use with a sound movie camera37US 5,235,227 APanavision International, L.P. · 1993
- Method of making an electromagnetic transducer33US 5,319,844 AUnique Mobility, Inc. · 1994