- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converters; controlling transformers, reactors or choke coils
- H02P 7/32 - 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 armature-reaction-excited machines, e.g. metadyne, amplidyne, rototrol
Patent holdings for IPC class H02P 7/32
Total number of patents in this class: 10
10-year publication summary
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2
|
1
|
1
|
0
|
1
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0
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0
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0
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0
|
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
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
3 |
| Denso Corporation | 23338 |
2 |
| Caterpillar Inc. | 8877 |
1 |
| Progress Rail Services Corp | 225 |
1 |
| Dialog Semiconductor (UK) Limited | 448 |
1 |
| Nuvoton Technology Corporation | 521 |
1 |
| Shell USA, Inc. | 1074 |
1 |
| Other owners | 0 |