- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F03D - Wind motors
- F03D 9/02 - the apparatus storing power
Patent holdings for IPC class F03D 9/02
Total number of patents in this class: 204
10-year publication summary
|
12
|
2
|
1
|
0
|
0
|
2
|
0
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Heavy Industries, Ltd. | 8764 |
21 |
| Vestas Wind Systems A/S | 3684 |
13 |
| General Compression, Inc. | 30 |
6 |
| Sumitomo Electric Industries, Ltd. | 15535 |
4 |
| Siemens AG | 24437 |
3 |
| Flexenclosure AB | 5 |
3 |
| Hydrostor Inc. | 56 |
3 |
| Morphic Technologies AB (publ.) | 13 |
3 |
| Hitachi, Ltd. | 15521 |
2 |
| ABB Research Ltd. | 882 |
2 |
| Avantis Ltd. | 7 |
2 |
| Crosswind Power Systems Inc. | 2 |
2 |
| Everlift Wind Technology Inc. | 2 |
2 |
| Ingeteam Power Technology, S.A. | 69 |
2 |
| Nabtesco Corporation | 889 |
2 |
| Ocean Wave Rocker AS | 3 |
2 |
| Roentdek-handels GmbH | 3 |
2 |
| S4 Energy B.V. | 17 |
2 |
| Universidad Politecnica de Madrid | 299 |
2 |
| Acciona Energia, S. A. | 50 |
2 |
| Other owners | 124 |