H02K 1/27915
Magnets shaped to vary the mechanical air gap between the magnets and
Official title: Magnets shaped to vary the mechanical air gap between the magnets and the stator
H02K1/27915 (Magnets shaped to vary the mechanical air gap between the magnets and) appears on 18 US grants and 21 published applications in this corpus.
Search patents in H02K- Granted patents
- 18
- Published applications
- 21
- Assignees
- 22
- Inventors
- 51
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 3 |
| 2021 | 0 | 1 |
| 2022 | 2 | 6 |
| 2023 | 2 | 2 |
| 2024 | 5 | 2 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Multiphase brushless AC electric machine32US 5,753,991 AHydro-Quebec · 1998
- Magneto for motor vehicle31US 4,137,884 AHitachi, Ltd. · 1979
- Rotor of magneto generator14US 4,115,716 AHitachi, Ltd. · 1978
- Method for making rotor for permanent magnet electric machine14US 7,350,283 B2The Bergquist Torrington Company · 2008
- Rotor for electric motor and method of making the same12US 6,657,328 B2Kabushiki Kaisha Toshiba · 2003