H02K 3/527
Applicable to rotors only
Official title: {applicable to rotors only}
H02K3/527 (Applicable to rotors only) appears on 325 US grants and 327 published applications in this corpus.
Search patents in H02K- Granted patents
- 325
- Published applications
- 327
- Assignees
- 133
- Inventors
- 674
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 6 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 8 | 0 |
| 2000 | 8 | 0 |
| 2001 | 8 | 0 |
| 2002 | 4 | 9 |
| 2003 | 9 | 15 |
| 2004 | 13 | 12 |
| 2005 | 15 | 12 |
| 2006 | 9 | 4 |
| 2007 | 5 | 9 |
| 2008 | 2 | 8 |
| 2009 | 6 | 5 |
| 2010 | 8 | 10 |
| 2011 | 9 | 14 |
| 2012 | 10 | 4 |
| 2013 | 6 | 10 |
| 2014 | 1 | 18 |
| 2015 | 7 | 23 |
| 2016 | 4 | 22 |
| 2017 | 18 | 13 |
| 2018 | 19 | 16 |
| 2019 | 11 | 9 |
| 2020 | 22 | 21 |
| 2021 | 10 | 17 |
| 2022 | 17 | 8 |
| 2023 | 9 | 16 |
| 2024 | 10 | 21 |
| 2025 | 13 | 17 |
| 2026 | 10 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and apparatus for cooling a rotor assembly22 Sep 2026US 12,744,427 B2GE Aviation Systems LLC
- Winding guide for a rotor of an electric motor4 Aug 2026US 12,700,766 B2Ampere S.A.S.
- Rotor for an electric machine, method for producing a rotor, and electric machine for a motor vehicle7 Jul 2026US 12,676,527 B2Bayerische Motoren Werke Aktiengesellschaft
- Brushless alternator5 May 2026US 12,620,849 B2Rapid Power Industries
- Sliding cover for a salient-pole rotor, having a slidable support, salient-pole rotor, and electric machine28 Apr 2026US 12,614,945 B2Bayerische Motoren Werke Aktiengesellschaft
- Rotor arrangement and electric machine13 Aug 2026US 2026/0238058 A1Schaeffler Technologies AG & Co. KG
- Rotor for a separately excited electric machine, separately excited electric machine, motor vehicle and manufacturing method for manufacturing a rotor for a separately excited electric machine6 Aug 2026US 2026/0229937 A1
- Electrical machine comprising a temperature sensor integrated into the rotor2 Jul 2026US 2026/0189108 A1Ampere S.A.S.
- Brushless alternator18 Jun 2026US 2026/0171859 A1Rapid Power Industries
- Rotor end flange for an electric motor18 Jun 2026US 2026/0171872 A1GM Global Technology Operations LLC
Most cited
By later US patents
- Alternator for an automotive vehicle130US 5,998,903 ADenso Corporation · 1999
- Controller for hybrid vehicle114US 6,018,694 ADenso Corporation · 2000
- Hybrid-energized electric machine98US 5,672,926 ASiemens Aktiengesellschaft · 1997
- Alternator for vehicle91US 5,955,810 ADenso Corporation · 1999
- Alternator for vehicle85US 6,291,918 B1Denso Corporation · 2001