H02K 21/24
With magnets axially facing the armatures
Official title: with magnets axially facing the armatures, e.g. hub-type cycle dynamos
H02K21/24 (With magnets axially facing the armatures) appears on 1,563 US grants and 1,871 published applications in this corpus.
Search patents in H02K- Granted patents
- 1,563
- Published applications
- 1,871
- Assignees
- 773
- Inventors
- 2,911
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 7 | 0 |
| 1986 | 5 | 0 |
| 1987 | 12 | 0 |
| 1988 | 4 | 0 |
| 1989 | 15 | 0 |
| 1990 | 1 | 0 |
| 1991 | 8 | 0 |
| 1992 | 10 | 0 |
| 1993 | 15 | 0 |
| 1994 | 7 | 0 |
| 1995 | 11 | 0 |
| 1996 | 12 | 0 |
| 1997 | 19 | 0 |
| 1998 | 21 | 0 |
| 1999 | 25 | 0 |
| 2000 | 25 | 0 |
| 2001 | 24 | 7 |
| 2002 | 21 | 23 |
| 2003 | 15 | 19 |
| 2004 | 40 | 35 |
| 2005 | 22 | 42 |
| 2006 | 36 | 60 |
| 2007 | 21 | 51 |
| 2008 | 31 | 59 |
| 2009 | 35 | 66 |
| 2010 | 36 | 69 |
| 2011 | 44 | 67 |
| 2012 | 54 | 71 |
| 2013 | 44 | 65 |
| 2014 | 45 | 69 |
| 2015 | 44 | 54 |
| 2016 | 40 | 59 |
| 2017 | 46 | 82 |
| 2018 | 49 | 78 |
| 2019 | 79 | 107 |
| 2020 | 86 | 93 |
| 2021 | 95 | 89 |
| 2022 | 71 | 121 |
| 2023 | 77 | 124 |
| 2024 | 97 | 142 |
| 2025 | 126 | 142 |
| 2026 | 65 | 77 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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