- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converters; controlling transformers, reactors or choke coils
- H02P 9/14 - 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: 222
10-year publication summary
|
28
|
22
|
26
|
23
|
18
|
12
|
6
|
7
|
6
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
21 |
| Hamilton Sundstrand Corporation | 4525 |
19 |
| Kohler Co. | 4165 |
13 |
| ABB Schweiz AG | 6321 |
8 |
| Denso Corporation | 23338 |
6 |
| Vestas Wind Systems A/S | 3459 |
6 |
| Yamaha Motor Co., Ltd. | 2740 |
5 |
| Rolls-Royce North American Technologies, Inc. | 1079 |
5 |
| Pratt & Whitney Canada Corp. | 4215 |
4 |
| General Electric Company | 18133 |
3 |
| Hitachi, Ltd. | 16452 |
3 |
| Purdue Research Foundation | 3277 |
3 |
| General Electric Technology GmbH | 1657 |
3 |
| State Grid Corporation of China | 1308 |
3 |
| Valeo Equipements Electriques Moteur | 1036 |
3 |
| Wobben Properties GmbH | 1207 |
3 |
| GE Infrastructure Technology, LLC | 5873 |
3 |
| Illinois Tool Works Inc. | 11152 |
2 |
| Honeywell International Inc. | 13799 |
2 |
| Robert Bosch GmbH | 40953 |
2 |
| Other owners | 105 |