- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converters; controlling transformers, reactors or choke coils
- H02P 9/38 - Self-excitation by current derived from rectification of both output voltage and output current of generator
Patent holdings for IPC class H02P 9/38
Total number of patents in this class: 15
10-year publication summary
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1
|
3
|
4
|
2
|
1
|
0
|
1
|
1
|
1
|
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
|
|---|---|---|
| Cummins Generator Technologies Limited | 109 |
3 |
| Deere & Company | 6845 |
1 |
| Toshiba Corporation | 12017 |
1 |
| Hitachi, Ltd. | 16452 |
1 |
| Denso Corporation | 23338 |
1 |
| Rolls-Royce PLC | 2944 |
1 |
| Hamilton Sundstrand Corporation | 4525 |
1 |
| BRUSA Elektronik AG | 98 |
1 |
| Generac Power Systems, Inc. | 379 |
1 |
| Hitachi Mitsubishi Hydro Corporation | 29 |
1 |
| Genrh8 Limited | 1 |
1 |
| Phinia Technologies Inc. | 83 |
1 |
| Brusa Technology AG | 10 |
1 |
| Other owners | 0 |