H02K 17/02
Asynchronous induction motors
H02K17/02 (Asynchronous induction motors) appears on 1,095 US grants and 931 published applications in this corpus.
Search patents in H02K- Granted patents
- 1,095
- Published applications
- 931
- Assignees
- 501
- Inventors
- 2,008
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 18 | 0 |
| 1978 | 19 | 0 |
| 1979 | 10 | 0 |
| 1980 | 14 | 0 |
| 1981 | 12 | 0 |
| 1982 | 13 | 0 |
| 1983 | 14 | 0 |
| 1984 | 11 | 0 |
| 1985 | 14 | 0 |
| 1986 | 7 | 0 |
| 1987 | 13 | 0 |
| 1988 | 17 | 0 |
| 1989 | 23 | 0 |
| 1990 | 20 | 0 |
| 1991 | 14 | 0 |
| 1992 | 10 | 0 |
| 1993 | 12 | 0 |
| 1994 | 13 | 0 |
| 1995 | 14 | 0 |
| 1996 | 15 | 0 |
| 1997 | 18 | 0 |
| 1998 | 25 | 0 |
| 1999 | 24 | 0 |
| 2000 | 16 | 0 |
| 2001 | 25 | 4 |
| 2002 | 16 | 20 |
| 2003 | 11 | 21 |
| 2004 | 25 | 26 |
| 2005 | 14 | 20 |
| 2006 | 15 | 25 |
| 2007 | 14 | 28 |
| 2008 | 12 | 24 |
| 2009 | 9 | 18 |
| 2010 | 23 | 31 |
| 2011 | 20 | 39 |
| 2012 | 19 | 31 |
| 2013 | 26 | 42 |
| 2014 | 26 | 40 |
| 2015 | 22 | 51 |
| 2016 | 24 | 46 |
| 2017 | 30 | 48 |
| 2018 | 42 | 55 |
| 2019 | 55 | 69 |
| 2020 | 67 | 77 |
| 2021 | 66 | 53 |
| 2022 | 41 | 46 |
| 2023 | 32 | 33 |
| 2024 | 36 | 42 |
| 2025 | 27 | 23 |
| 2026 | 19 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H02K 17/16Having rotors with internally short-circuited windings563
- H02K 17/30Structural association of asynchronous induction motors with auxiliary electric devices influencing the185
- H02K 17/04For single phase current165
- H02K 17/12For multi-phase current163
- H02K 17/34Cascade arrangement of an asynchronous motor with another dynamo-electric motor or converter34
- H02K 17/26Having rotors or stators designed to permit synchronous operation26
- H02K 17/22Having rotors with windings connected to slip-rings23
- H02K 17/32Structural association of asynchronous induction motors with auxiliary mechanical devices16
All 9 subgroupsShow fewer
Recent patents
- Electric motor having rotor and squirrel cage winding22 Sep 2026US 12,744,438 B2Sew-Eurodrive GmbH & Co. KG
- Induction electric motor with flux injection in multiple reference frames8 Sep 2026US 12,732,074 B2GM Global Technology Operations LLC
- Vehicle driving motor having secondary conductors for magnetic flux guidance25 Aug 2026US 12,719,342 B2Mazda Motor Corporation
- Synchronous electric motor, range of electric motors, device for closing, shading or protecting against the sun, comprising an electric motor from such a range and method for producing same21 Jul 2026US 12,689,248 B2Somfy Activites SA
- Self guided linear induction motor system and method26 May 2026US 12,640,635 B2Swisspod Technologies SA
- Improvements relating to cooling of electric machines8 Oct 2026US 2026/0312450 A1Vestas Wind Systems A/S
- Rotor for an asynchronous electric machine24 Sep 2026US 2026/0291305 A1MAGNA Powertrain AG & Co KG
- Improved Reverse Magnetic Asynchronous Induction Motor Systems and Methods27 Aug 2026US 2026/0254332 A1Adventech, LLC
- Canned Rotodynamic Flow Machine For A Molten Salt Nuclear Reactor And An Active Magnetic Bearing For Use In A Flow Machine For A Molten Salt Nuclear Reactor20 Aug 2026US 2026/0243262 A1Copenhagen Atomics A/S
- Method for manufacturing an armature and/or rotor, as well as armature and/or rotor and electric machine20 Aug 2026US 2026/0246323 A1Additive Drives GmbH
Most cited
By later US patents
- Polyphase brushless DC and AC synchronous machines223US 5,334,899 A1994
- 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