- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F03B - Machines or engines for liquids
- F03B 3/14 - Rotors having adjustable blades
Patent holdings for IPC class F03B 3/14
Total number of patents in this class: 116
10-year publication summary
|
8
|
12
|
5
|
5
|
11
|
8
|
7
|
14
|
19
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Aktiebolaget SKF | 3130 |
9 |
| Voith Patent GmbH | 2747 |
9 |
| GE Renewable Technologies | 113 |
7 |
| Composite Hydraulic Turbine Ottawa Inc. | 6 |
4 |
| Aquantis, Inc. | 12 |
3 |
| GE Energy Power Conversion Technology Ltd | 438 |
3 |
| Broadstar Wind Systems Group | 5 |
3 |
| Felicianne AS | 3 |
3 |
| Purdue Research Foundation | 3921 |
2 |
| Alstom Renewable Technologies | 72 |
2 |
| Big Moon Power, Inc. | 5 |
2 |
| MJ2 Technologies | 2 |
2 |
| SJK Energy Solutions, LLC | 13 |
2 |
| Natel Energy Holdings, Inc. | 18 |
2 |
| Kootenay Kinetic Energy Turbine Inc. | 3 |
2 |
| Centre National de La Recherche Scientifique | 11026 |
1 |
| Toshiba Corporation | 12569 |
1 |
| 1564330 Ontario Inc. | 10 |
1 |
| Adelaide Research & Innovation Pty Ltd | 81 |
1 |
| ADV Tech | 12 |
1 |
| Other owners | 56 |