- All sections
- H - Electricity
- H02P - Control or regulation of electric motors, electric generators or dynamo-electric converterscontrolling transformers, reactors or choke coils
- H02P 9/04 - Control effected upon non-electric prime mover and dependent upon electric output value of the generator
Patent holdings for IPC class H02P 9/04
Total number of patents in this class: 1469
10-year publication summary
|
129
|
110
|
106
|
77
|
67
|
41
|
34
|
35
|
25
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GE Infrastructure Technology, LLC | 6163 |
106 |
| Vestas Wind Systems A/S | 3800 |
80 |
| Mitsubishi Heavy Industries, Ltd. | 9152 |
43 |
| Denso Corporation | 25607 |
40 |
| Siemens Gamesa Renewable Energy A/S | 1966 |
36 |
| Honda Motor Co., Ltd. | 26064 |
32 |
| Daikin Industries, Ltd. | 10511 |
21 |
| General Electric Company | 13908 |
19 |
| Wobben Properties GmbH | 1220 |
19 |
| Siemens Gamesa Renewable Energy Service GmbH | 158 |
18 |
| Caterpillar Inc. | 10285 |
17 |
| Hamilton Sundstrand Corporation | 5013 |
15 |
| Hitachi, Ltd. | 16146 |
14 |
| Cummins Power Generation IP, Inc. | 330 |
13 |
| Discovery Energy, LLC | 391 |
13 |
| Nissan Motor Co., Ltd. | 12980 |
12 |
| Shindengen Electric Manufacturing Co., Ltd. | 843 |
12 |
| Kawasaki Jukogyo Kabushiki Kaisha (trading as Kawasaki Heavy Industries, Ltd.) | 3264 |
12 |
| Yamaha Hatsudoki Kabushiki Kaisha | 2240 |
11 |
| Illinois Tool Works Inc. | 11864 |
10 |
| Other owners | 926 |