H02K 1/141
Consisting of c-shaped cores
Official title: {consisting of C-shaped cores}
H02K1/141 (Consisting of c-shaped cores) appears on 294 US grants and 302 published applications in this corpus.
Search patents in H02K- Granted patents
- 294
- Published applications
- 302
- Assignees
- 187
- Inventors
- 612
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 5 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 3 |
| 2002 | 2 | 6 |
| 2003 | 7 | 7 |
| 2004 | 9 | 12 |
| 2005 | 9 | 8 |
| 2006 | 3 | 3 |
| 2007 | 4 | 6 |
| 2008 | 3 | 7 |
| 2009 | 2 | 7 |
| 2010 | 6 | 9 |
| 2011 | 8 | 12 |
| 2012 | 2 | 4 |
| 2013 | 9 | 8 |
| 2014 | 3 | 12 |
| 2015 | 2 | 13 |
| 2016 | 7 | 17 |
| 2017 | 9 | 30 |
| 2018 | 15 | 29 |
| 2019 | 25 | 20 |
| 2020 | 20 | 16 |
| 2021 | 18 | 16 |
| 2022 | 10 | 21 |
| 2023 | 13 | 14 |
| 2024 | 16 | 16 |
| 2025 | 19 | 3 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Stator and suction motor comprising same21 Jul 2026US 12,689,247 B2Samsung Electronics Co., Ltd.
- Axial flux motor with air cooling system31 Mar 2026US 12,592,606 B2Eaton Intelligent Power Limited
- Stator with teeth skewed from the rotation axis24 Mar 2026US 12,587,046 B2Mineba Mitsumi Inc.
- Force-producing electromagnetic actuator30 Dec 2025US 12,512,742 B2Dp World Logistics US Holdings, Inc.
- Axial flux motor with cooling jacket16 Dec 2025US 12,500,473 B2Eaton Intelligent Power Limited
- Compact two-phase motor16 Jul 2026US 2026/0204958 A1Moving Magnet Technologies
- Stator assembly, compressor motor, compressor and refrigerator21 May 2026US 2026/0142506 A1Huangshi Donper Compressor Co., Ltd.
- Electromagnetic Machine14 May 2026US 2026/0135418 A1
- Electric generator device20 Nov 2025US 2025/0357835 A1Preciflex SA
- A generator and a method for generating electricity with a generator20 Mar 2025US 2025/0092852 A1Ori Solution Oy
Most cited
By later US patents
- Laminated motor stator structure with molded composite pole pieces113US 4,255,684 A1981
- Electric motor or generator100US 5,731,649 A1998
- Electric motor or generator having amorphous core pieces being individually accomodated in a dielectric housing97US 5,982,070 ALight Engineering, Inc. · 1999
- Spindle motor including stator with magnetic flux guides76US 6,545,382 B1Western Digital Technologies, Inc. · 2003
- Modular electromagnetic device with reversible generator-motor operation69US 8,354,768 B2Avio S.P. A. · 2013