H02K 19/14
Having additional short-circuited windings for starting as asynchronous motors
Official title: having additional short-circuited windings for starting as asynchronous motors
H02K19/14 (Having additional short-circuited windings for starting as asynchronous motors) appears on 76 US grants and 64 published applications in this corpus.
Search patents in H02K- Granted patents
- 76
- Published applications
- 64
- Assignees
- 54
- Inventors
- 167
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 2 | 5 |
| 2004 | 3 | 1 |
| 2005 | 4 | 3 |
| 2006 | 3 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 2 | 3 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 2 | 0 |
| 2015 | 0 | 2 |
| 2016 | 0 | 4 |
| 2017 | 2 | 4 |
| 2018 | 3 | 10 |
| 2019 | 7 | 5 |
| 2020 | 8 | 5 |
| 2021 | 5 | 3 |
| 2022 | 4 | 5 |
| 2023 | 3 | 3 |
| 2024 | 4 | 5 |
| 2025 | 4 | 1 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Motor rotor, self-starting synchronous reluctance motor comprising same, and compressor6 Oct 2026US 12,756,283 B2Gree Electric Appliances, Inc. of Zhuhai
- Electric motor having rotor and squirrel cage winding22 Sep 2026US 12,744,438 B2Sew-Eurodrive GmbH & Co. KG
- Motor for laundry apparatus15 Sep 2026US 12,738,803 B2LG Electronics Inc.
- Variable frequency drive synchronous reluctance motor system with volts-per-Hertz control21 Oct 2025US 12,451,829 B2Nidec Motor Corporation
- Three-phase asynchronous motor squirrel-cage rotor structure capable of reducing starting current and motor1 Jul 2025US 12,348,093 B1Shanxi Electric Motor Manufacturing Co., Ltd.
- Motor for laundry apparatus25 Jun 2026US 2026/0180393 A1LG Electronics Inc.
- Self-starting synchronous reluctance compressor and refrigeration device system20 Mar 2025US 2025/0096661 A1Gree Electric Appliances, Inc. of Zhuhai
- Motor and vehicle driving system, method and program21 Nov 2024US 2024/0388185 A1Mazda Motor Corporation
- Motor rotor, self-starting synchronous reluctance motor comprising same, and compressor14 Nov 2024US 2024/0380294 A1Gree Electric Appliances, Inc. of Zhuhai
- Motor rotor, self-starting synchronous reluctance motor, and compressor7 Nov 2024US 2024/0372422 A1Gree Electric Appliances, Inc. of Zhuhai
Most cited
By later US patents
- Rotor core utilizing laminations having slots with dual direction skew portions41US 6,777,847 B1General Electric Company · 2004
- Superconducting electric motor37US 7,453,174 B1American Superconductor Corporation · 2008
- Dual-stator induction synchronous motor27US 5,254,894 ASatake Engineering Co., Ltd. · 1993
- AC synchronous motor having an axially laminated rotor24US 4,110,646 ABogue Electric Manufacturing Company · 1978
- Reluctance motor with gearless step-down without electronic control of rotating field24US 6,700,272 B1EMF 97 Elektro-Maschinen-Vertrieb-Magnettechnik-und Forschungs-GmbH · 2004