H02K 1/2793
Rotors axially facing stators
H02K1/2793 (Rotors axially facing stators) appears on 707 US grants and 927 published applications in this corpus.
Search patents in H02K- Granted patents
- 707
- Published applications
- 927
- Assignees
- 400
- Inventors
- 1,519
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 0 |
| 2002 | 7 | 7 |
| 2003 | 5 | 12 |
| 2004 | 14 | 12 |
| 2005 | 5 | 12 |
| 2006 | 8 | 12 |
| 2007 | 7 | 8 |
| 2008 | 8 | 13 |
| 2009 | 9 | 18 |
| 2010 | 9 | 24 |
| 2011 | 22 | 19 |
| 2012 | 12 | 21 |
| 2013 | 13 | 19 |
| 2014 | 12 | 30 |
| 2015 | 17 | 35 |
| 2016 | 18 | 34 |
| 2017 | 31 | 46 |
| 2018 | 37 | 68 |
| 2019 | 45 | 65 |
| 2020 | 61 | 63 |
| 2021 | 61 | 67 |
| 2022 | 51 | 81 |
| 2023 | 47 | 70 |
| 2024 | 56 | 82 |
| 2025 | 61 | 66 |
| 2026 | 33 | 43 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Axial flux electric motor with rotor cooling29 Sep 2026US 12,749,935 B2GM Global Technology Operations LLC
- Axial flux motor rotor drive motor for electric vehicle22 Sep 2026US 12,744,420 B2Huawei Digital Power Technologies Co., Ltd.
- Axial flux machine and low-profile cooling apparatus15 Sep 2026US 12,738,783 B1E-Circuit Motors, Inc.
- Motor15 Sep 2026US 12,738,784 B2Nidec Corporation
- High speed axial air gap motor8 Sep 2026US 12,732,052 B2Novanta Corporation
- Cooling a rotor of an axial flux induction machine1 Oct 2026US 2026/0302859 A1Aura Systems, Inc.
- Synchronous electric machine with fixed clawed inductor17 Sep 2026US 2026/0280362 A1
- Method and device for testing an smc stator core3 Sep 2026US 2026/0259267 A1Schaeffler Technologies AG & Co. KG
- Electric machine with integrated rotor27 Aug 2026US 2026/0254301 A1
- Electric machine having improved cooling structure27 Aug 2026US 2026/0254318 A1Korea Electrotechnology Research Institute
Most cited
By later US patents
- Methods and apparatus for increasing power of permanent magnet motors1,432US 6,777,838 B22004
- Polyphase brushless DC and AC synchronous machines223US 5,334,899 A1994
- Permanent magnet electric machine with flux control111US 6,373,162 B1Ford Global Technologies, LLC · 2002
- Electric machine98US 6,720,688 B12004
- Conductor optimized axial field rotary energy device95US 7,109,625 B12006