- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 1396
10-year publication summary
|
173
|
223
|
254
|
240
|
247
|
217
|
188
|
167
|
164
|
1
|
| 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 | 3572 |
168 |
| GE Infrastructure Technology, LLC | 6103 |
121 |
| Wobben Properties GmbH | 1211 |
109 |
| Siemens Gamesa Renewable Energy A/S | 1784 |
109 |
| General Electric Renovables España, S.L. | 452 |
40 |
| Flender GmbH | 345 |
23 |
| General Electric Company | 17801 |
19 |
| Siemens Gamesa Renewable Energy Service GmbH | 171 |
19 |
| Siemens Gamesa Renewable Energy Innovation & Technology, S.L. | 298 |
16 |
| Beijing GoldWind Science & Creation Windpower Equipment Co., Ltd. | 354 |
15 |
| GE Renewable Technologies Wind B.V. | 114 |
11 |
| Mitsubishi Heavy Industries, Ltd. | 8504 |
9 |
| Flower Turbines Inc. | 24 |
9 |
| Hitachi, Ltd. | 15177 |
8 |
| ABB Schweiz AG | 6609 |
8 |
| GoldWind Science & Technology Co., Ltd. | 96 |
8 |
| NTN Corporation | 4980 |
7 |
| Dalian University of Technology | 1447 |
7 |
| Nordex Energy Spain, S.A.U. | 97 |
7 |
| J. Hench Consulting, Inc. | 8 |
7 |
| Other owners | 676 |