- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converters; controlling transformers, reactors or choke coils
- H02P 9/08 - 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: 235
10-year publication summary
|
25
|
21
|
29
|
28
|
22
|
15
|
15
|
14
|
11
|
9
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Valeo Equipements Electriques Moteur | 1036 |
12 |
| Rolls-Royce North American Technologies, Inc. | 1079 |
11 |
| GE Infrastructure Technology, LLC | 5873 |
10 |
| Vestas Wind Systems A/S | 3459 |
9 |
| General Electric Company | 18133 |
8 |
| Hamilton Sundstrand Corporation | 4525 |
8 |
| Mitsubishi Electric Corporation | 43934 |
7 |
| Mainspring Energy, Inc. | 98 |
7 |
| Robert Bosch GmbH | 40953 |
6 |
| Denso Corporation | 23338 |
5 |
| Toshiba Mitsubishi-Electric Industrial Systems Corporation | 1583 |
5 |
| GE Aviation Systems LLC | 569 |
4 |
| SEG Automotive Germany GmbH | 194 |
4 |
| Honda Motor Co., Ltd. | 24537 |
3 |
| Toyota Motor Corporation | 28582 |
3 |
| Honeywell International Inc. | 13799 |
3 |
| Caterpillar Inc. | 8877 |
3 |
| NTN Corporation | 5008 |
3 |
| Cummins Power Generation IP, Inc. | 261 |
3 |
| GE Energy Power Conversion Technology Ltd | 407 |
3 |
| Other owners | 118 |