- All sections
- H - Electricity
- H02K - Dynamo-electric machines
- H02K 23/18 - DC commutator motors or generators having mechanical commutatorUniversal AC/DC commutator motors characterised by arrangement for exciting having displaceable main or auxiliary brushes
Patent holdings for IPC class H02K 23/18
Total number of patents in this class: 15
10-year publication summary
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2
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0
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2
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0
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2
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1
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0
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0
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1
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Black & Decker, Inc. | 2411 |
3 |
| Marquardt GmbH | 231 |
3 |
| Valeo Equipements Electriques Moteur | 997 |
3 |
| Mitsuba Corporation | 808 |
2 |
| Connecting Products, Inc. | 16 |
1 |
| TRW Limited | 254 |
1 |
| University of Shanghai for Science and Technology | 118 |
1 |
| Schunk Carbon Technology GmbH | 36 |
1 |
| Other owners | 0 |