- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 23/08 - DC commutator motors or generators having mechanical commutatorUniversal AC/DC commutator motors characterised by arrangement for exciting having series connection of excitation windings
Patent holdings for IPC class H02K 23/08
Total number of patents in this class: 16
10-year publication summary
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0
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2
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2
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1
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3
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1
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0
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0
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0
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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
|
|---|---|---|
| University of Shanghai for Science and Technology | 123 |
4 |
| C. & E. FEIN GmbH | 192 |
2 |
| MAHLE International GmbH | 2919 |
2 |
| Positec Power Tools (Suzhou) Co., Ltd. | 766 |
2 |
| Johnson Electric International AG | 379 |
2 |
| Hitachi Automotive Systems, Ltd. | 3954 |
1 |
| Robert Bosch GmbH | 44252 |
1 |
| Denso Corporation | 25676 |
1 |
| Shenzhen Power Motor Industrial Co., Ltd. | 3 |
1 |
| Other owners | 0 |