H02K 29/03
Motors or generators having non-mechanical commutating devices: with a magnetic circuit specially
Official title: with a magnetic circuit specially adapted for avoiding torque ripples or self-starting problems
H02K29/03 (Motors or generators having non-mechanical commutating devices: with a magnetic circuit specially) appears on 1,083 US grants and 1,258 published applications in this corpus.
Search patents in H02K- Granted patents
- 1,083
- Published applications
- 1,258
- Assignees
- 485
- Inventors
- 2,341
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 9 | 0 |
| 1996 | 10 | 0 |
| 1997 | 23 | 0 |
| 1998 | 27 | 0 |
| 1999 | 17 | 0 |
| 2000 | 22 | 0 |
| 2001 | 23 | 6 |
| 2002 | 20 | 28 |
| 2003 | 16 | 26 |
| 2004 | 35 | 28 |
| 2005 | 32 | 46 |
| 2006 | 23 | 44 |
| 2007 | 19 | 32 |
| 2008 | 28 | 39 |
| 2009 | 32 | 52 |
| 2010 | 40 | 61 |
| 2011 | 35 | 51 |
| 2012 | 42 | 47 |
| 2013 | 37 | 51 |
| 2014 | 38 | 47 |
| 2015 | 27 | 47 |
| 2016 | 31 | 72 |
| 2017 | 28 | 62 |
| 2018 | 36 | 56 |
| 2019 | 70 | 70 |
| 2020 | 60 | 74 |
| 2021 | 41 | 74 |
| 2022 | 54 | 78 |
| 2023 | 58 | 47 |
| 2024 | 56 | 50 |
| 2025 | 35 | 53 |
| 2026 | 28 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Axial flux machine and method of fabrication95US 6,445,105 B1General Electric Company · 2002
- Permanent magnet electrical machine with reduced cogging92US 4,672,253 AHitachi, Ltd. · 1987
- Permanent magnet brushless DC motor having reduced cogging92US 5,250,867 AGeneral Electric Company · 1993
- Rotary motor and production method thereof, and laminated core and production method thereof91US 5,859,486 AMitsubishi Denki Kabushiki Kaisha · 1999
- Vehicle motor83US 6,278,216 B12001