H02K 19/08
Motors having windings on the stator and a smooth rotor without windings
Official title: Motors having windings on the stator and a smooth rotor without windings of material with large hysteresis, e.g. hysteresis motors
H02K19/08 (Motors having windings on the stator and a smooth rotor without windings) appears on 14 US grants and 5 published applications in this corpus.
Search patents in H02K- Granted patents
- 14
- Published applications
- 5
- Assignees
- 12
- Inventors
- 34
- Latest grant
- 28 Jun 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 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 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Operation method and operation device of motor driver for driving motor28 Jun 2022US 11,374,515 B1Industrial Technology Research Institute
- Hybrid hysteresis motor26 Oct 2021US 11,159,077 B2
- Homopolar, flux-biased hysteresis bearingless motor8 Jan 2019US 10,177,627 B2Massachusetts Institute of Technology
- High efficiency high output density electrical power generator10 Nov 2015US 9,184,647 B2
- Drive for a neutron chopper12 Jul 1988US 4,757,209 AKFA Kernforschungsanlage GmbH
- Operation method and operation device of motor driver for driving motor30 Jun 2022US 2022/0209694 A1Industrial Technology Research Institute
- Hybrid hysteresis motor26 Oct 2017US 2017/0310199 A1
- Homopolar, Flux-Biased Hysteresis Bearingless Motor9 Feb 2017US 2017/0040868 A1Massachusetts Institute of Technology
- High efficiency high output density electrical power generator20 Dec 2012US 2012/0319519 A1
- Self magnetizing motor and stator thereof11 Jan 2007US 2007/0007842 A1LG Electronics Inc, of Republic of Korea
Most cited
By later US patents
- Armature annular core25US 4,719,377 AKabushiki Kaisha Toshiba · 1988
- Hysteresis synchronous motor utilizing polarized rotor21US 4,433,260 AThe Singer Company · 1984
- Amorphous metal hysteresis motor11US 4,286,188 AGeneral Electric Company · 1981
- External rotor production for synchronous hysteresis motor11US 4,429,245 APapst-Motoren GmbH & Co. KG · 1984
- Homopolar, flux-biased hysteresis bearingless motor10US 10,177,627 B2Massachusetts Institute of Technology · 2019