H02K 17/30
Structural association of asynchronous induction motors with auxiliary electric devices influencing the
Official title: Structural association of asynchronous induction motors with auxiliary electric devices influencing the characteristics of the motor or controlling the motor, e.g. with impedances or switches
H02K17/30 (Structural association of asynchronous induction motors with auxiliary electric devices influencing the) appears on 185 US grants and 74 published applications in this corpus.
Search patents in H02K- Granted patents
- 185
- Published applications
- 74
- Assignees
- 106
- Inventors
- 313
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 8 | 0 |
| 1990 | 12 | 0 |
| 1991 | 7 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 7 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 7 | 0 |
| 2000 | 4 | 0 |
| 2001 | 11 | 1 |
| 2002 | 4 | 8 |
| 2003 | 6 | 5 |
| 2004 | 4 | 3 |
| 2005 | 5 | 4 |
| 2006 | 2 | 5 |
| 2007 | 2 | 0 |
| 2008 | 1 | 4 |
| 2009 | 1 | 3 |
| 2010 | 3 | 2 |
| 2011 | 2 | 2 |
| 2012 | 1 | 4 |
| 2013 | 4 | 2 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 1 | 2 |
| 2017 | 0 | 8 |
| 2018 | 3 | 5 |
| 2019 | 3 | 5 |
| 2020 | 6 | 2 |
| 2021 | 5 | 2 |
| 2022 | 3 | 3 |
| 2023 | 2 | 1 |
| 2024 | 4 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Induction electric motor with flux injection in multiple reference frames8 Sep 2026US 12,732,074 B2GM Global Technology Operations LLC
- Induction motor and controller device therefor12 Nov 2024US 12,143,052 B2
- Energy efficient motor-generator5 Nov 2024US 12,136,897 B2PAL-K Dynamics Inc.
- Method of driving a driven structure relative to a base structure12 Mar 2024US 11,929,645 B2General Dynamics Land Systems—Canada Corporation
- Domino-type torque generator27 Feb 2024US 11,913,532 B1
- Improved Reverse Magnetic Asynchronous Induction Motor Systems and Methods27 Aug 2026US 2026/0254332 A1Adventech, LLC
- Field winding type rotary electric machine13 Aug 2026US 2026/0238102 A1Denso Corporation
- Induction electric motor with flux injection in multiple reference frames5 Sep 2024US 2024/0297558 A1GM Global Technology Operations LLC
- Energy efficient motor-generator9 Feb 2023US 2023/0044966 A1PAL-K Dynamics Inc.
- Induction motor and control device therefor15 Dec 2022US 2022/0399838 A1
Most cited
By later US patents
- Method and apparatus for transducerless position and velocity estimation in drives for AC machines138US 5,585,709 AWisconsin Alumni Research Foundation · 1996
- Method and apparatus for transducerless position and velocity estimation in drives for AC machines124US 5,565,752 AWisconsin Alumni Research Foundation · 1996
- Frequency converter for controlling a motor117US 4,963,778 AGrundfos International A/S · 1990
- Pump assembly for delivering liquids and gases103US 4,834,624 AGrundfos International A/S · 1989
- Motor start capacitor assembly96US 6,490,158 B1Diversitech Corporation · 2002