H02K 17/08
Motors with auxiliary phase obtained by externally fed auxiliary windings
Official title: Motors with auxiliary phase obtained by externally fed auxiliary windings, e.g. capacitor motors
H02K17/08 (Motors with auxiliary phase obtained by externally fed auxiliary windings) appears on 91 US grants and 57 published applications in this corpus.
Search patents in H02K- Granted patents
- 91
- Published applications
- 57
- Assignees
- 49
- Inventors
- 176
- Latest grant
- 4 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 5 |
| 2003 | 0 | 3 |
| 2004 | 7 | 1 |
| 2005 | 1 | 3 |
| 2006 | 2 | 2 |
| 2007 | 3 | 3 |
| 2008 | 0 | 2 |
| 2009 | 1 | 4 |
| 2010 | 3 | 5 |
| 2011 | 5 | 0 |
| 2012 | 1 | 1 |
| 2013 | 2 | 3 |
| 2014 | 0 | 2 |
| 2015 | 0 | 3 |
| 2016 | 1 | 3 |
| 2017 | 0 | 3 |
| 2018 | 3 | 0 |
| 2019 | 2 | 3 |
| 2020 | 4 | 5 |
| 2021 | 3 | 3 |
| 2022 | 1 | 2 |
| 2023 | 5 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Induction motors including speed sensing circuits for motor control4 Mar 2025US 12,244,188 B2Copeland Corporation
- Laundry appliance utilizing a permanent split capacitor motor having a sensor for providing temperature control within the appliance3 Oct 2023US 11,773,530 B2Whirlpool Corporation
- Fastener driving tool29 Aug 2023US 11,738,429 B2Hilti Aktiengesellschaft
- Electric motor and compressor having electric motor22 Aug 2023US 11,735,989 B2LG Electronics Inc.
- Turbomachine6 Jun 2023US 11,668,322 B2Dyson Technology Limited
- Induction Motors Including Speed Sensing Circuits For Motor Control27 Oct 2022US 2022/0345015 A1Emerson Electric Co.
- Three pulse, odd-even motor winding system1 Sep 2022US 2022/0278580 A1
- Laundry appliance utilizing a permanent split capacitor motor having a sensor for providing temperature control within the appliance26 Aug 2021US 2021/0262151 A1Whirlpool Corporation
- Electric motor and compressor having electric motor15 Jul 2021US 2021/0218323 A1LG Electronics Inc.
- Fastener driving tool1 Jul 2021US 2021/0197351 A1Hilti Aktiengesellschaft
Most cited
By later US patents
- Mounting bracket for motor capacitor67US 6,229,236 B12001
- Reversible motor59US 4,357,567 ABarcrest Limited · 1982
- Dynamoelectric machine winding arrangement36US 4,100,444 AGeneral Electric Company · 1978
- Positive temperature coefficient start winding protection35US 5,345,126 ATecumseh Products Company · 1994
- Half-pitch capacitor induction motor29US 4,371,802 A1983