- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F03D - Wind motors
- F03D 9/11 - Combinations of wind motors with apparatus storing energy storing electrical energy
Patent holdings for IPC class F03D 9/11
Total number of patents in this class: 287
10-year publication summary
|
37
|
42
|
57
|
37
|
41
|
48
|
42
|
45
|
44
|
24
|
| 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 | 3801 |
19 |
| Siemens Gamesa Renewable Energy A/S | 1963 |
16 |
| Wobben Properties GmbH | 1219 |
13 |
| J. Hench Consulting, Inc. | 8 |
7 |
| GE Infrastructure Technology, LLC | 6165 |
6 |
| KK Wind Solutions A/S | 106 |
5 |
| General Electric Company | 13910 |
4 |
| Prosto Wind Power | 4 |
4 |
| NTN Corporation | 4915 |
3 |
| Beijing GoldWind Science & Creation Windpower Equipment Co., Ltd. | 390 |
3 |
| China Petroleum & Chemical Corporation | 2154 |
3 |
| Inventus Holdings, LLC | 150 |
3 |
| Richardson Electronics, Ltd. | 44 |
3 |
| EIP Technologies, Inc. | 12 |
3 |
| Adwen GmbH | 29 |
3 |
| Sinopec Dalian Research Institute of Petroleum and Petrochemicals Co., Ltd. | 139 |
3 |
| Powerx, Inc. | 13 |
3 |
| Energypier AG | 6 |
3 |
| The Boeing Company | 20163 |
2 |
| ABB Schweiz AG | 7621 |
2 |
| Other owners | 179 |