- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converters; controlling transformers, reactors or choke coils
- H02P 9/40 - Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of reluctance of magnetic circuit of generator
Patent holdings for IPC class H02P 9/40
Total number of patents in this class: 28
10-year publication summary
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0
|
3
|
8
|
2
|
3
|
2
|
0
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0
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2
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2
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Yamaha Motor Co., Ltd. | 2740 |
5 |
| Hamilton Sundstrand Corporation | 4525 |
4 |
| Caterpillar Inc. | 8877 |
2 |
| Rolls-Royce PLC | 2944 |
2 |
| Kohler Co. | 4165 |
1 |
| Denso Corporation | 23338 |
1 |
| Schaeffler Technologies AG & Co. KG | 8880 |
1 |
| AXCO-Motors Oy | 6 |
1 |
| C.E. Niehoff & Co. | 54 |
1 |
| Galaxy, LLC | 1 |
1 |
| Kollmorgen Corporation | 94 |
1 |
| Petroliam Nasional Berhad (petronas) | 298 |
1 |
| Ricardo UK Limited | 109 |
1 |
| THK Co., Ltd. | 1206 |
1 |
| Universidad de Zaragoza | 188 |
1 |
| Universiteit Gent | 1276 |
1 |
| Anthropocene Institute, LLC | 6 |
1 |
| GE Renewable Technologies Wind B.V. | 115 |
1 |
| Garcia, Reginald | 1 |
1 |
| Other owners | 0 |