- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F03D - Wind motors
- F03D 9/28 - Wind motors characterised by the driven apparatus the apparatus being a pump or a compressor
Patent holdings for IPC class F03D 9/28
Total number of patents in this class: 96
10-year publication summary
|
10
|
9
|
29
|
13
|
19
|
6
|
19
|
13
|
13
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Delft Offshore Turbine B.V. | 13 |
6 |
| Nguyen Chi Co., Ltd. | 36 |
5 |
| Siemens Gamesa Renewable Energy A/S | 1803 |
4 |
| KYB Corporation | 1325 |
3 |
| New Leaf Management Ltd. | 4 |
3 |
| Bimby Power Company, LLC. | 3 |
2 |
| Sea Twirl AB | 3 |
2 |
| Texas Tech University System | 542 |
2 |
| H2O Turbines Ltd. | 2 |
2 |
| RCAM Technologies, Inc. | 13 |
2 |
| Ep4 IP UK Limited | 2 |
2 |
| Illinois Tool Works Inc. | 11399 |
1 |
| Centre National de La Recherche Scientifique | 10102 |
1 |
| Airbus S.A.S. | 855 |
1 |
| Airbus Operations S.A.S. | 2447 |
1 |
| Airbus Operations S.L. | 533 |
1 |
| Hamilton Sundstrand Corporation | 4728 |
1 |
| Purdue Research Foundation | 3477 |
1 |
| Artemis Intelligent Power Limited | 105 |
1 |
| Bibeau, Eric L. | 1 |
1 |
| Other owners | 54 |