- 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: 1529
10-year publication summary
|
223
|
254
|
240
|
247
|
217
|
189
|
170
|
171
|
141
|
65
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vestas Wind Systems A/S | 3796 |
173 |
| GE Infrastructure Technology, LLC | 6171 |
121 |
| Siemens Gamesa Renewable Energy A/S | 1961 |
118 |
| Wobben Properties GmbH | 1219 |
109 |
| General Electric Renovables España, S.L. | 316 |
41 |
| Flender GmbH | 420 |
25 |
| General Electric Company | 13899 |
18 |
| Siemens Gamesa Renewable Energy Innovation & Technology, S.L. | 339 |
18 |
| Siemens Gamesa Renewable Energy Service GmbH | 161 |
17 |
| Beijing GoldWind Science & Creation Windpower Equipment Co., Ltd. | 390 |
16 |
| Flower Turbines Inc. | 30 |
15 |
| Identiflight International, LLC | 28 |
10 |
| GE Renewable Technologies Wind B.V. | 113 |
10 |
| Purus Power Corporation | 24 |
10 |
| Mitsubishi Heavy Industries, Ltd. | 9128 |
9 |
| GoldWind Science & Technology Co., Ltd. | 125 |
9 |
| Hitachi, Ltd. | 16094 |
8 |
| ABB Schweiz AG | 7607 |
8 |
| NTN Corporation | 4914 |
7 |
| Dalian University of Technology | 1594 |
7 |
| Other owners | 780 |