F04D 25/0646
Details of the stator
Official title: {Details of the stator}
F04D25/0646 (Details of the stator) appears on 215 US grants and 275 published applications in this corpus.
Search patents in F04D- Granted patents
- 215
- Published applications
- 275
- Assignees
- 104
- Inventors
- 547
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 5 |
| 2003 | 2 | 2 |
| 2004 | 4 | 5 |
| 2005 | 1 | 13 |
| 2006 | 2 | 6 |
| 2007 | 1 | 9 |
| 2008 | 2 | 15 |
| 2009 | 6 | 13 |
| 2010 | 10 | 9 |
| 2011 | 7 | 6 |
| 2012 | 6 | 8 |
| 2013 | 6 | 14 |
| 2014 | 6 | 15 |
| 2015 | 9 | 14 |
| 2016 | 12 | 7 |
| 2017 | 5 | 13 |
| 2018 | 9 | 24 |
| 2019 | 15 | 16 |
| 2020 | 13 | 20 |
| 2021 | 11 | 14 |
| 2022 | 22 | 12 |
| 2023 | 11 | 12 |
| 2024 | 11 | 7 |
| 2025 | 12 | 7 |
| 2026 | 4 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Blower with bearing tube333US 8,636,479 B2ResMed Motor Technologies Inc. · 2014
- Molded plastic motor housing with integral stator mounting and shaft journalling projection88US 4,682,065 ANidec-Torin Corporation · 1987
- Low profile d.c. brushless motor for an impeller mechanism or the like54US 7,012,346 B2ResMed Limited · 2006
- Motor and circuitry for protecting same46US 5,363,003 ANippon Densan Corporation · 1994
- Method of assembling brushless electric motors44US 4,934,041 ANidec Corporation · 1990