- 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: 325
10-year publication summary
|
43
|
33
|
35
|
42
|
34
|
9
|
9
|
11
|
9
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 40953 |
33 |
| Valeo Equipements Electriques Moteur | 1036 |
25 |
| Hamilton Sundstrand Corporation | 4525 |
20 |
| Mitsubishi Electric Corporation | 43934 |
13 |
| GE Infrastructure Technology, LLC | 5873 |
10 |
| SEG Automotive Germany GmbH | 194 |
10 |
| Denso Corporation | 23338 |
9 |
| Siemens Gamesa Renewable Energy A/S | 1647 |
8 |
| Kohler Co. | 4165 |
6 |
| General Electric Company | 18133 |
4 |
| Pratt & Whitney Canada Corp. | 4215 |
4 |
| Ford Global Technologies, LLC | 19702 |
4 |
| Carrier Corporation | 4759 |
4 |
| Vestas Wind Systems A/S | 3459 |
4 |
| Tau Motors, Inc. | 43 |
4 |
| Honda Motor Co., Ltd. | 24537 |
3 |
| Siemens AG | 24990 |
3 |
| Toyota Motor Corporation | 28582 |
3 |
| Infineon Technologies AG | 8189 |
3 |
| Alstom Technology Ltd | 1196 |
3 |
| Other owners | 152 |