- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converterscontrolling transformers, reactors or choke coils
- H02P 9/30 - Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field using discharge tubes or semiconductor devices using semiconductor devices
Patent holdings for IPC class H02P 9/30
Total number of patents in this class: 358
10-year publication summary
|
28
|
31
|
39
|
42
|
31
|
18
|
20
|
13
|
5
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamilton Sundstrand Corporation | 4907 |
34 |
| Robert Bosch GmbH | 42813 |
18 |
| Mitsubishi Electric Corporation | 46397 |
18 |
| Discovery Energy, LLC | 380 |
18 |
| Valeo Equipements Electriques Moteur | 993 |
14 |
| GE Infrastructure Technology, LLC | 6246 |
13 |
| Denso Corporation | 24431 |
11 |
| ABB Schweiz AG | 7039 |
10 |
| Moteurs Leroy-Somer | 190 |
7 |
| Bayerische Motoren Werke Aktiengesellschaft | 14462 |
5 |
| Siemens AG | 24409 |
4 |
| Ford Global Technologies, LLC | 20685 |
4 |
| General Electric Company | 13845 |
3 |
| Chongqing Heya Technology Co., LTD | 5 |
3 |
| Cummins Generator Technologies Limited | 116 |
3 |
| GE Aviation Systems LLC | 584 |
3 |
| Rolls-Royce North American Technologies, Inc. | 1170 |
3 |
| Wobben Properties GmbH | 1219 |
3 |
| Safran Electrical & Power | 697 |
3 |
| AES Global Holdings, Pte. Ltd. | 343 |
3 |
| Other owners | 178 |