H02K 7/1025
Using axial electromagnets with generally annular air gap
Official title: {using axial electromagnets with generally annular air gap}
H02K7/1025 (Using axial electromagnets with generally annular air gap) appears on 129 US grants and 105 published applications in this corpus.
Search patents in H02K- Granted patents
- 129
- Published applications
- 105
- Assignees
- 90
- Inventors
- 335
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 3 |
| 2003 | 2 | 3 |
| 2004 | 3 | 2 |
| 2005 | 2 | 2 |
| 2006 | 3 | 1 |
| 2007 | 0 | 4 |
| 2008 | 0 | 3 |
| 2009 | 1 | 7 |
| 2010 | 3 | 5 |
| 2011 | 4 | 3 |
| 2012 | 4 | 1 |
| 2013 | 3 | 5 |
| 2014 | 2 | 3 |
| 2015 | 5 | 1 |
| 2016 | 2 | 4 |
| 2017 | 3 | 6 |
| 2018 | 4 | 2 |
| 2019 | 3 | 6 |
| 2020 | 6 | 9 |
| 2021 | 3 | 8 |
| 2022 | 4 | 4 |
| 2023 | 6 | 8 |
| 2024 | 7 | 7 |
| 2025 | 8 | 8 |
| 2026 | 4 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Rotator16 Dec 2025US 12,500,478 B2Mitsubishi Electric Corporation
- Linear motor18 Dec 2025US 2025/0383012 A1Beijing Youzhuju Network Technology Co., Ltd.
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- Joint arrangement for a robot arm for providing an energy-efficient braking function4 Sep 2025US 2025/0276457 A1Microsure B.V.
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Most cited
By later US patents
- Motor/generator apparatus for motor vehicle151US 6,425,838 B1Hitachi Car Engineering Co., Ltd. · 2002
- Power train system for a vehicle and method for operating same136US 6,048,288 AToyota Jidosha Kabushiki Kaisha · 2000
- Disk drive with internal brake and static discharge49US 4,701,653 APapst-Motoren GmbH & Co. KG · 1987
- Lightweight electric robotic actuator47US 4,577,127 AWestinghouse Electric Corp. · 1986
- Latching brake using permanent magnet45US 5,121,018 ALucas Aerospace Power Equipment Corporation · 1992