- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F03D - Wind motors
- F03D 9/25 - Wind motors characterised by the driven apparatus the apparatus being an electrical generator
Patent holdings for IPC class F03D 9/25
Total number of patents in this class: 1482
10-year publication summary
|
162
|
211
|
247
|
235
|
244
|
212
|
181
|
166
|
165
|
128
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vestas Wind Systems A/S | 3715 |
172 |
| GE Infrastructure Technology, LLC | 6190 |
121 |
| Siemens Gamesa Renewable Energy A/S | 1910 |
116 |
| Wobben Properties GmbH | 1220 |
109 |
| General Electric Renovables España, S.L. | 307 |
40 |
| Flender GmbH | 387 |
25 |
| Siemens Gamesa Renewable Energy Service GmbH | 174 |
19 |
| General Electric Company | 13840 |
18 |
| Siemens Gamesa Renewable Energy Innovation & Technology, S.L. | 332 |
18 |
| Beijing GoldWind Science & Creation Windpower Equipment Co., Ltd. | 369 |
16 |
| Flower Turbines Inc. | 30 |
15 |
| GE Renewable Technologies Wind B.V. | 113 |
10 |
| Mitsubishi Heavy Industries, Ltd. | 8875 |
9 |
| GoldWind Science & Technology Co., Ltd. | 109 |
9 |
| Hitachi, Ltd. | 15692 |
8 |
| ABB Schweiz AG | 7178 |
8 |
| Identiflight International, LLC | 26 |
8 |
| NTN Corporation | 4969 |
7 |
| Dalian University of Technology | 1538 |
7 |
| Nordex Energy Spain, S.A.U. | 133 |
7 |
| Other owners | 740 |