- 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: 1509
10-year publication summary
|
211
|
247
|
235
|
244
|
212
|
181
|
166
|
166
|
134
|
35
|
| 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 | 3753 |
171 |
| GE Infrastructure Technology, LLC | 6213 |
121 |
| Siemens Gamesa Renewable Energy A/S | 1928 |
116 |
| Wobben Properties GmbH | 1220 |
109 |
| General Electric Renovables España, S.L. | 310 |
41 |
| Flender GmbH | 399 |
24 |
| Siemens Gamesa Renewable Energy Service GmbH | 164 |
19 |
| General Electric Company | 13819 |
18 |
| Siemens Gamesa Renewable Energy Innovation & Technology, S.L. | 334 |
18 |
| Beijing GoldWind Science & Creation Windpower Equipment Co., Ltd. | 377 |
16 |
| Flower Turbines Inc. | 30 |
15 |
| Identiflight International, LLC | 28 |
10 |
| GE Renewable Technologies Wind B.V. | 113 |
10 |
| Mitsubishi Heavy Industries, Ltd. | 9016 |
9 |
| Purus Power Corporation | 22 |
9 |
| GoldWind Science & Technology Co., Ltd. | 114 |
9 |
| Hitachi, Ltd. | 15881 |
8 |
| ABB Schweiz AG | 7429 |
8 |
| NTN Corporation | 4940 |
7 |
| Dalian University of Technology | 1572 |
7 |
| Other owners | 764 |