- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 21/40 - Synchronous motors having permanent magnetsSynchronous generators having permanent magnets with rotating flux distributors, and armatures and magnets both stationary with flux distributors rotating around the magnets and within the armatures
Patent holdings for IPC class H02K 21/40
Total number of patents in this class: 19
10-year publication summary
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2
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1
|
3
|
2
|
2
|
1
|
1
|
3
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0
|
0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24029 |
6 |
| Prototus, Ltd. | 13 |
3 |
| Robert Bosch GmbH | 44160 |
1 |
| Massachusetts Institute of Technology | 10251 |
1 |
| Rolls-Royce PLC | 3221 |
1 |
| Lenze Drives GmbH | 45 |
1 |
| ThyssenKrupp AG | 3409 |
1 |
| ThyssenKrupp Presta AG | 1108 |
1 |
| Transducing Energy Devices, LLC | 2 |
1 |
| Valeo Equipements Electriques Moteur | 940 |
1 |
| Floor 36, Inc. | 1 |
1 |
| Lappeenrannan-lahden Teknillinen Yliopisto Lut | 59 |
1 |
| Other owners | 0 |