H02K 2201/00
Specific aspects not provided for in the other groups of this subclass
Official title: Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
H02K2201/00 (Specific aspects not provided for in the other groups of this subclass) appears on 2,781 US grants and 2,902 published applications in this corpus.
Search patents in H02K- Granted patents
- 2,781
- Published applications
- 2,902
- Assignees
- 1,172
- Inventors
- 5,605
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 9 | 0 |
| 1978 | 11 | 0 |
| 1979 | 3 | 0 |
| 1980 | 8 | 0 |
| 1981 | 15 | 0 |
| 1982 | 12 | 0 |
| 1983 | 8 | 0 |
| 1984 | 6 | 0 |
| 1985 | 10 | 0 |
| 1986 | 17 | 0 |
| 1987 | 27 | 0 |
| 1988 | 15 | 0 |
| 1989 | 21 | 0 |
| 1990 | 28 | 0 |
| 1991 | 10 | 0 |
| 1992 | 20 | 0 |
| 1993 | 20 | 0 |
| 1994 | 31 | 0 |
| 1995 | 15 | 0 |
| 1996 | 16 | 0 |
| 1997 | 33 | 0 |
| 1998 | 59 | 0 |
| 1999 | 66 | 0 |
| 2000 | 52 | 0 |
| 2001 | 52 | 9 |
| 2002 | 46 | 65 |
| 2003 | 42 | 42 |
| 2004 | 64 | 80 |
| 2005 | 66 | 70 |
| 2006 | 40 | 60 |
| 2007 | 37 | 55 |
| 2008 | 50 | 78 |
| 2009 | 44 | 82 |
| 2010 | 64 | 73 |
| 2011 | 78 | 80 |
| 2012 | 47 | 105 |
| 2013 | 67 | 103 |
| 2014 | 63 | 131 |
| 2015 | 65 | 111 |
| 2016 | 84 | 102 |
| 2017 | 96 | 127 |
| 2018 | 102 | 140 |
| 2019 | 139 | 184 |
| 2020 | 152 | 208 |
| 2021 | 156 | 187 |
| 2022 | 164 | 200 |
| 2023 | 144 | 199 |
| 2024 | 171 | 182 |
| 2025 | 149 | 128 |
| 2026 | 79 | 101 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H02K 2201/18Machines moving with multiple degrees of freedomIndexing code917
- H02K 2201/06Magnetic cores, or permanent magnets characterised by their skewIndexing code571
- H02K 2201/03Machines characterised by aspects of the air-gap between rotor and statorIndexing code543
- H02K 2201/12Transversal flux machinesIndexing code422
- H02K 2201/09Magnetic cores comprising laminations characterised by being fastened by caulkingIndexing code262
- H02K 2201/15Sectional machinesIndexing code198
Recent patents
- Motor rotor structure and motor6 Oct 2026US 12,756,249 B2Splash Pool & Spa, Inc.
- Rotor, rotary electric machine, and drive device6 Oct 2026US 12,756,252 B2Nidec Corporation
- Adhesive bonding structure in stacked core and rotating electrical machine15 Sep 2026US 12,738,777 B2Nippon Steel Corporation
- Axial flux machine and low-profile cooling apparatus15 Sep 2026US 12,738,783 B1E-Circuit Motors, Inc.
- Stator of an electric machine and an electric machine with axial and radial coolant channels8 Sep 2026US 12,732,034 B2Dr. Ing. h,c.F. Porsche Aktiengesellschaft
- Permanent magnet rotor8 Oct 2026US 2026/0312447 A1ABB Schweiz AG
- Motor core for electric vehicle composed of dissimilar materials and method for manufacturing the same1 Oct 2026US 2026/0302843 A1Hyundai Motor Company
- Stator Lamination Made of Steel Foil24 Sep 2026US 2026/0291301 A1BorgWarner Inc.
- Rotor design for permanent magnet motor24 Sep 2026US 2026/0291307 A1Panasonic Intellectual Property Management Co., Ltd.
- Fan assembly including an optimised motor24 Sep 2026US 2026/0291311 A1|.M.E. Industria Motori Elettrici S.P.A.
Most cited
By later US patents
- Rotary and linear motor1,441US 6,429,611 B12002
- Methods and apparatus for increasing power of permanent magnet motors1,432US 6,777,838 B22004
- Air gap control systems and methods405US 10,193,429 B2Boulder Wind Power, Inc. · 2019
- Method and apparatus for generating controlled torques on objects particularly objects inside a living body263US 6,594,517 B1Robin Medical, Inc. · 2003
- Methods and apparatus for organizing and searching an electronic programming guide249US 6,005,631 AScientific-Atlanta, Inc. · 1999