- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converters; controlling transformers, reactors or choke coils
- H02P 5/485 - Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors for speed regulation of two or more dynamo-electric motors in relation to one another by comparing mechanical values representing the speeds using differential movement of the two motors, e.g. using differential gearboxes
Patent holdings for IPC class H02P 5/485
Total number of patents in this class: 5
10-year publication summary
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2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Ricoh Company, Ltd. | 13266 |
1 |
GM Global Technology Operations LLC | 13620 |
1 |
Tsinghua University | 5426 |
1 |
ESA Eppinger GmbH | 14 |
1 |
Valeo Embrayages | 590 |
1 |
Other owners | 0 |