H02K 21/022
By modifying the relative position between field and armature
Official title: {by modifying the relative position between field and armature, e.g. between rotor and stator (vectorial combination of field or armature sections H02K21/029)}
H02K21/022 (By modifying the relative position between field and armature) appears on 188 US grants and 205 published applications in this corpus.
Search patents in H02K- Granted patents
- 188
- Published applications
- 205
- Assignees
- 115
- Inventors
- 407
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 0 |
| 2002 | 4 | 6 |
| 2003 | 3 | 3 |
| 2004 | 2 | 0 |
| 2005 | 3 | 2 |
| 2006 | 2 | 6 |
| 2007 | 0 | 6 |
| 2008 | 4 | 5 |
| 2009 | 3 | 5 |
| 2010 | 5 | 5 |
| 2011 | 5 | 5 |
| 2012 | 3 | 5 |
| 2013 | 4 | 8 |
| 2014 | 3 | 11 |
| 2015 | 4 | 7 |
| 2016 | 11 | 3 |
| 2017 | 7 | 14 |
| 2018 | 10 | 15 |
| 2019 | 13 | 12 |
| 2020 | 15 | 17 |
| 2021 | 10 | 13 |
| 2022 | 15 | 12 |
| 2023 | 10 | 15 |
| 2024 | 7 | 18 |
| 2025 | 16 | 5 |
| 2026 | 11 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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