- 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: 1457
10-year publication summary
|
173
|
223
|
254
|
240
|
247
|
217
|
188
|
171
|
168
|
88
|
| 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 | 3673 |
173 |
| GE Infrastructure Technology, LLC | 6213 |
122 |
| Siemens Gamesa Renewable Energy A/S | 1879 |
114 |
| Wobben Properties GmbH | 1214 |
110 |
| General Electric Renovables España, S.L. | 311 |
41 |
| Flender GmbH | 368 |
24 |
| Siemens Gamesa Renewable Energy Service GmbH | 176 |
20 |
| General Electric Company | 13767 |
18 |
| Siemens Gamesa Renewable Energy Innovation & Technology, S.L. | 326 |
18 |
| Beijing GoldWind Science & Creation Windpower Equipment Co., Ltd. | 367 |
16 |
| Flower Turbines Inc. | 29 |
15 |
| GE Renewable Technologies Wind B.V. | 113 |
10 |
| Mitsubishi Heavy Industries, Ltd. | 8712 |
9 |
| GoldWind Science & Technology Co., Ltd. | 108 |
9 |
| Hitachi, Ltd. | 15476 |
8 |
| ABB Schweiz AG | 6958 |
8 |
| NTN Corporation | 4978 |
7 |
| Dalian University of Technology | 1520 |
7 |
| Identiflight International, LLC | 23 |
7 |
| Nordex Energy Spain, S.A.U. | 112 |
7 |
| Other owners | 714 |