- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converterscontrolling transformers, reactors or choke coils
- H02P 9/14 - Arrangements for controlling electric generators for the purpose of obtaining a desired output by variation of field
Patent holdings for IPC class H02P 9/14
Total number of patents in this class: 223
10-year publication summary
|
22
|
26
|
23
|
18
|
12
|
5
|
8
|
6
|
5
|
6
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hamilton Sundstrand Corporation | 4954 |
19 |
| Mitsubishi Electric Corporation | 46814 |
17 |
| Discovery Energy, LLC | 381 |
13 |
| ABB Schweiz AG | 7148 |
7 |
| Vestas Wind Systems A/S | 3708 |
6 |
| Denso Corporation | 24729 |
5 |
| Yamaha Motor Co., Ltd. | 2823 |
5 |
| Rolls-Royce North American Technologies, Inc. | 1175 |
5 |
| Pratt & Whitney Canada Corp. | 4880 |
4 |
| Hitachi, Ltd. | 15655 |
3 |
| Purdue Research Foundation | 3715 |
3 |
| General Electric Technology GmbH | 1372 |
3 |
| State Grid Corporation of China | 1379 |
3 |
| Valeo Equipements Electriques Moteur | 990 |
3 |
| Wobben Properties GmbH | 1219 |
3 |
| GE Infrastructure Technology, LLC | 6196 |
3 |
| Mitsubishi Electric Mobility Corporation | 1091 |
3 |
| Illinois Tool Works Inc. | 11528 |
2 |
| Honeywell International Inc. | 13547 |
2 |
| Robert Bosch GmbH | 43001 |
2 |
| Other owners | 112 |