H02K 2201/03
Machines characterised by aspects of the air-gap between rotor and stator
H02K2201/03 (Machines characterised by aspects of the air-gap between rotor and stator) appears on 543 US grants and 768 published applications in this corpus.
Search patents in H02K- Granted patents
- 543
- Published applications
- 768
- Assignees
- 381
- Inventors
- 1,625
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 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 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 2 | 2 |
| 2004 | 3 | 5 |
| 2005 | 3 | 5 |
| 2006 | 4 | 1 |
| 2007 | 1 | 7 |
| 2008 | 3 | 8 |
| 2009 | 3 | 10 |
| 2010 | 12 | 9 |
| 2011 | 9 | 13 |
| 2012 | 6 | 29 |
| 2013 | 19 | 40 |
| 2014 | 17 | 39 |
| 2015 | 20 | 39 |
| 2016 | 25 | 32 |
| 2017 | 28 | 42 |
| 2018 | 25 | 41 |
| 2019 | 40 | 48 |
| 2020 | 45 | 67 |
| 2021 | 37 | 54 |
| 2022 | 58 | 78 |
| 2023 | 47 | 65 |
| 2024 | 48 | 68 |
| 2025 | 59 | 38 |
| 2026 | 24 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Axial flux machine and low-profile cooling apparatus15 Sep 2026US 12,738,783 B1E-Circuit Motors, Inc.
- Electromagnetic rotary machinery25 Aug 2026US 12,719,316 B2Mitsubishi Electric Corporation
- Permanent magnet energy convertor11 Aug 2026US 12,706,492 B2Rubicon Energy BV
- Engine or driven machine14 Jul 2026US 12,683,460 B2AeroLas GmbH Aerostatische Lager-Lasertechnik
- Electric motor having adjustable magnetic field, and vehicle30 Jun 2026US 12,671,284 B2Wuxi Infimotion Propulsion Technology Co., Ltd.
- Method for producing an air-gap sleeve for an electrical machine24 Sep 2026US 2026/0291320 A1ZF Friedrichshafen AG
- Synchronous electric machine with fixed clawed inductor17 Sep 2026US 2026/0280362 A1
- Steering system for a motor vehicle10 Sep 2026US 2026/0264658 A1thyssenkrupp AG
- Stator sealing member27 Aug 2026US 2026/0254296 A1Safran Electrical & Power
- Electromechanical actuator comprising a compact and low-noise synchronous reluctance motor27 Aug 2026US 2026/0254297 A1Somfy Activites SA
Most cited
By later US patents
- Air gap control systems and methods405US 10,193,429 B2Boulder Wind Power, Inc. · 2019
- Compact high power alternator100US 7,122,923 B2Magnetic Applications, Inc. · 2006
- Generator for a windmill, stator module for use in such a generator and use of such a generator77US 6,781,276 B1Bonus Enegy A/S · 2004
- System and apparatus for modular axial field rotary energy device50US 10,135,310 B2Infinitum Electric Inc. · 2018
- Permanent magnet rotating electric machine and electric car using the same50US 7,151,335 B2Hitachi, Ltd. · 2006