- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 21/24 - Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
Patent holdings for IPC class H02K 21/24
Total number of patents in this class: 1229
10-year publication summary
|
68
|
87
|
100
|
120
|
105
|
101
|
134
|
148
|
147
|
40
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schaeffler Technologies AG & Co. KG | 8880 |
61 |
| Hitachi Industrial Equipment Systems Co., Ltd. | 1334 |
40 |
| Infinitum Electric Inc. | 59 |
37 |
| YASA Limited | 58 |
27 |
| Whylot SAS | 70 |
25 |
| Sumitomo Electric Industries, Ltd. | 14131 |
18 |
| Denso Corporation | 23338 |
18 |
| E-Circuit Motors, Inc. | 38 |
18 |
| Robert Bosch GmbH | 40953 |
16 |
| Regal Beloit Australia Pty Ltd. | 42 |
16 |
| Regal Beloit America, Inc. | 939 |
15 |
| Sumitomo Electric Sintered Alloy, Ltd. | 214 |
15 |
| Honda Motor Co., Ltd. | 24537 |
14 |
| Hitachi, Ltd. | 16452 |
13 |
| GM Global Technology Operations LLC | 13620 |
13 |
| NTN Corporation | 5008 |
13 |
| Halliburton Energy Services, Inc. | 20165 |
11 |
| Mitsubishi Electric Corporation | 43934 |
11 |
| Time to ACT Limited | 15 |
11 |
| Linear Labs, Inc. | 60 |
10 |
| Other owners | 827 |