H02K 1/14
Stator cores with salient poles
H02K1/14 (Stator cores with salient poles) appears on 3,325 US grants and 4,328 published applications in this corpus.
Search patents in H02K- Granted patents
- 3,325
- Published applications
- 4,328
- Assignees
- 1,205
- Inventors
- 6,831
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 6 | 0 |
| 1978 | 5 | 0 |
| 1979 | 5 | 0 |
| 1980 | 7 | 0 |
| 1981 | 6 | 0 |
| 1982 | 8 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 8 | 0 |
| 1988 | 2 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 8 | 0 |
| 1995 | 8 | 0 |
| 1996 | 12 | 0 |
| 1997 | 24 | 0 |
| 1998 | 30 | 0 |
| 1999 | 25 | 0 |
| 2000 | 38 | 0 |
| 2001 | 31 | 14 |
| 2002 | 58 | 91 |
| 2003 | 49 | 65 |
| 2004 | 87 | 123 |
| 2005 | 83 | 97 |
| 2006 | 73 | 130 |
| 2007 | 65 | 123 |
| 2008 | 72 | 119 |
| 2009 | 70 | 113 |
| 2010 | 100 | 110 |
| 2011 | 80 | 135 |
| 2012 | 77 | 120 |
| 2013 | 96 | 157 |
| 2014 | 106 | 131 |
| 2015 | 71 | 145 |
| 2016 | 93 | 177 |
| 2017 | 124 | 305 |
| 2018 | 128 | 256 |
| 2019 | 257 | 276 |
| 2020 | 241 | 269 |
| 2021 | 220 | 272 |
| 2022 | 222 | 282 |
| 2023 | 180 | 253 |
| 2024 | 233 | 220 |
| 2025 | 180 | 172 |
| 2026 | 92 | 173 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Installation structure of stator core for axial gap motor6 Oct 2026US 12,756,247 B2Subaru Corporation
- Stator arrangement for a radial flux motor6 Oct 2026US 12,756,248 B2BorgWarner Inc.
- Stator body for an electric motor, stator, electric motor, and associated manufacturing method22 Sep 2026US 12,744,417 B2Valeo Systemes D/Essuyage
- Electrical insulator with projections in inner walls around stator core teeth for motor15 Sep 2026US 12,738,778 B2Aichi Electric Co., Ltd.
- Stator assembly15 Sep 2026US 12,738,789 B2Caterpillar Inc.
- Motor Retention and Airflow Guide in a Power Tool8 Oct 2026US 2026/0307234 A1Black & Decker Inc.
- Axial flow machine having a stator and optimized cooling of the pole shoes8 Oct 2026US 2026/0312443 A1Schaeffler Technologies AG & Co. KG
- Engine cooling fan motor for vehicle8 Oct 2026US 2026/0312466 A1New Motech Co., Ltd.
- Motor8 Oct 2026US 2026/0312467 A1MINEBEA MITSUMI Inc.
- Motor core for electric vehicle composed of dissimilar materials and method for manufacturing the same1 Oct 2026US 2026/0302843 A1Hyundai Motor Company
Most cited
By later US patents
- Electric motor187US 9,570,945 B2Grundfos Holding A/S · 2017
- Articulated motor stator assembly for a pump171US 6,018,208 ANimbus, Inc. · 2000
- Permanent magnet d.c. motor having a radially-disposed working flux gap150US 5,659,217 A1997
- Laminated motor stator structure with molded composite pole pieces113US 4,255,684 A1981
- Brushless electrical machine for use as motor or generator112US 4,866,321 A1989