H02K 21/048
Rotor of the claw pole type
Official title: {Rotor of the claw pole type}
H02K21/048 (Rotor of the claw pole type) appears on 21 US grants and 19 published applications in this corpus.
Search patents in H02K- Granted patents
- 21
- Published applications
- 19
- Assignees
- 11
- Inventors
- 39
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 3 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 2 |
| 2015 | 1 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 1 |
| 2018 | 3 | 1 |
| 2019 | 1 | 3 |
| 2020 | 2 | 2 |
| 2021 | 4 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Rotator16 Dec 2025US 12,500,478 B2Mitsubishi Electric Corporation
- Crankshaft driven flywheel magneto generator with circular winding for power supply in handheld batteryless combustion engines19 Jul 2022US 11,391,259 B2Seb S.A.
- Rotating electric machine23 Nov 2021US 11,183,911 B2Exedy Corporation
- Rotary electric machine20 Apr 2021US 10,985,638 B2Exedy Corporation
- Rotary electric machine having magnetic flux supplied from a field coil16 Feb 2021US 10,923,970 B2Exedy Corporation
- Crown brushless motor device and method19 Mar 2026US 2026/0081508 A1Concept Design
- Rotator7 Dec 2023US 2023/0396126 A1Mitsubishi Electric Corporation
- Crankshaft driven flywheel magneto generator with circular winding for power supply in handheld batteryless combustion engines31 Mar 2022US 2022/0099062 A1Sem AB
- Rotating electric machine19 Nov 2020US 2020/0366175 A1Exedy Corporation
- Rotary electric machine21 May 2020US 2020/0161952 A1Exedy Corporation
Most cited
By later US patents
- Permanent-magnet motor-generator with voltage stabilizer42US 6,541,887 B22003
- Rotating electric machine with improved double excitation12US 6,462,449 B1Centre National de la Recherche Scientifique (CNRS) · 2002
- Rotary electric machine9US 6,794,790 B2Denso Corporation · 2004
- Rotating maching with advanced excitation means8US 6,396,181 B1Valeo Equipements Electriques Moteur · 2002
- Rotating electric machine with permanent magnets and magnetic resistance with improved flux weakening properties8US 6,448,680 B1Valeo Equipements Electriques Moteur · 2002