- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converters; controlling transformers, reactors or choke coils
- H02P 9/48 - Arrangements for obtaining a constant output value at varying speed of the generator, e.g. on vehicle
Patent holdings for IPC class H02P 9/48
Total number of patents in this class: 317
10-year publication summary
|
33
|
35
|
42
|
34
|
9
|
10
|
10
|
9
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 41765 |
33 |
| Valeo Equipements Electriques Moteur | 1020 |
25 |
| Hamilton Sundstrand Corporation | 4724 |
20 |
| Mitsubishi Electric Corporation | 44794 |
10 |
| GE Infrastructure Technology, LLC | 6114 |
10 |
| SEG Automotive Germany GmbH | 201 |
10 |
| Denso Corporation | 23747 |
8 |
| Siemens Gamesa Renewable Energy A/S | 1797 |
7 |
| Discovery Energy, LLC | 379 |
6 |
| General Electric Company | 17783 |
4 |
| Pratt & Whitney Canada Corp. | 4438 |
4 |
| Ford Global Technologies, LLC | 20063 |
4 |
| Bayerische Motoren Werke Aktiengesellschaft | 13850 |
4 |
| Carrier Corporation | 4449 |
4 |
| Vestas Wind Systems A/S | 3578 |
4 |
| Tau Motors, Inc. | 56 |
4 |
| Honda Motor Co., Ltd. | 24868 |
3 |
| Siemens AG | 24573 |
3 |
| Toyota Motor Corporation | 30398 |
3 |
| Infineon Technologies AG | 8141 |
3 |
| Other owners | 148 |