- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F03D - Wind motors
- F03D 80/50 - Maintenance or repair
Patent holdings for IPC class F03D 80/50
Total number of patents in this class: 777
10-year publication summary
|
29
|
35
|
63
|
102
|
125
|
111
|
127
|
76
|
99
|
31
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Vestas Wind Systems A/S | 3459 |
159 |
| Siemens Gamesa Renewable Energy A/S | 1647 |
93 |
| GE Infrastructure Technology, LLC | 5873 |
70 |
| Wobben Properties GmbH | 1207 |
25 |
| LiftWerx Holdings Inc. | 42 |
19 |
| PP Energy ApS | 37 |
18 |
| General Electric Renovables España, S.L. | 416 |
16 |
| General Electric Company | 18133 |
14 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
12 |
| LIFTRA IP ApS | 57 |
12 |
| LM Wind Power A/S | 233 |
12 |
| Adwen GmbH | 29 |
9 |
| ZF Friedrichshafen AG | 6820 |
7 |
| Inventus Holdings, LLC | 98 |
7 |
| Jiangsu GoldWind Science & Technology Co., Ltd. | 50 |
6 |
| Siemens Gamesa Renewable Energy Innovation & Technology, S.L. | 268 |
6 |
| The Boeing Company | 19843 |
5 |
| Blade Dynamics Limited | 133 |
5 |
| Carraha, Kimberly A. | 11 |
5 |
| Chin, Howard M. | 11 |
5 |
| Other owners | 272 |