H02K 21/029
Vectorial combination of the fluxes generated by a plurality of field sections
Official title: {Vectorial combination of the fluxes generated by a plurality of field sections or of the voltages induced in a plurality of armature sections}
H02K21/029 (Vectorial combination of the fluxes generated by a plurality of field sections) appears on 95 US grants and 104 published applications in this corpus.
Search patents in H02K- Granted patents
- 95
- Published applications
- 104
- Assignees
- 51
- Inventors
- 188
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 8 |
| 2003 | 4 | 2 |
| 2004 | 4 | 3 |
| 2005 | 1 | 0 |
| 2006 | 2 | 3 |
| 2007 | 0 | 4 |
| 2008 | 0 | 6 |
| 2009 | 7 | 6 |
| 2010 | 3 | 4 |
| 2011 | 6 | 1 |
| 2012 | 2 | 10 |
| 2013 | 2 | 1 |
| 2014 | 3 | 2 |
| 2015 | 1 | 3 |
| 2016 | 0 | 1 |
| 2017 | 3 | 8 |
| 2018 | 4 | 3 |
| 2019 | 6 | 3 |
| 2020 | 3 | 11 |
| 2021 | 6 | 3 |
| 2022 | 7 | 6 |
| 2023 | 2 | 1 |
| 2024 | 5 | 7 |
| 2025 | 4 | 3 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Axial gap dual permanent magnet generator84US 5,245,238 ASundstrand Corporation · 1993
- Method and apparatus for output regulation of multiple disk permanent magnet machines74US 4,371,801 AGeneral Electric Company · 1983
- Brushless motor having permanent magnets57US 5,821,710 AHitachi Metals, Ltd. · 1998
- Alternating current generator and method of angularly adjusting the relative positions of rotors thereof51US 4,879,484 ASundstrand Corporation · 1989
- Multi-rotor synchronous machine permitting relative movement between rotors51US 6,998,757 B2Denso Corporation · 2006