- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converterscontrolling transformers, reactors or choke coils
- H02P 9/08 - Control of generator circuit during starting or stopping of driving means, e.g. for initiating excitation
Patent holdings for IPC class H02P 9/08
Total number of patents in this class: 243
10-year publication summary
|
21
|
29
|
28
|
22
|
15
|
15
|
14
|
11
|
19
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rolls-Royce North American Technologies, Inc. | 1161 |
10 |
| Valeo Equipements Electriques Moteur | 999 |
10 |
| GE Infrastructure Technology, LLC | 6212 |
10 |
| Mainspring Energy, Inc. | 111 |
10 |
| Hamilton Sundstrand Corporation | 4853 |
9 |
| Vestas Wind Systems A/S | 3672 |
9 |
| Robert Bosch GmbH | 42632 |
6 |
| Denso Corporation | 24230 |
5 |
| Mitsubishi Electric Corporation | 45962 |
5 |
| SEG Automotive Germany GmbH | 203 |
5 |
| Edison Innovations, LLC | 704 |
5 |
| Caterpillar Inc. | 9530 |
4 |
| NTN Corporation | 4983 |
4 |
| GE Aviation Systems LLC | 582 |
4 |
| General Electric Company | 13811 |
3 |
| Honda Motor Co., Ltd. | 25174 |
3 |
| Toyota Motor Corporation | 31819 |
3 |
| Cummins Power Generation IP, Inc. | 292 |
3 |
| GE Energy Power Conversion Technology Ltd | 424 |
3 |
| Shindengen Electric Manufacturing Co., Ltd. | 805 |
3 |
| Other owners | 129 |