- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converters; controlling transformers, reactors or choke coils
- H02P 7/34 - Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using Ward-Leonard arrangements
Patent holdings for IPC class H02P 7/34
Total number of patents in this class: 5
10-year publication summary
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0
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0
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0
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1
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0
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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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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hyundai Motor Company | 19021 |
1 |
| Kia Motors Corporation | 7946 |
1 |
| Audi AG | 7153 |
1 |
| Haier US Appliance Solutions, Inc. | 3178 |
1 |
| Myunghwa Ind. Co., Ltd. | 20 |
1 |
| Other owners | 0 |