- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- 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: 107
10-year publication summary
|
12
|
14
|
8
|
12
|
5
|
5
|
11
|
8
|
5
|
5
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Voith Patent GmbH | 2727 |
7 |
| GE Renewable Technologies | 122 |
6 |
| Composite Hydraulic Turbine Ottawa Inc. | 6 |
4 |
| GE Energy Power Conversion Technology Ltd | 407 |
3 |
| Broadstar Wind Systems Group | 5 |
3 |
| Centre National de La Recherche Scientifique | 9632 |
2 |
| Alstom Renewable Technologies | 76 |
2 |
| Aquantis, Inc. | 11 |
2 |
| Bell Helicopter Textron Inc. | 1122 |
2 |
| Big Moon Power, Inc. | 7 |
2 |
| MJ2 Technologies | 2 |
2 |
| Universite D'aix-marseille | 825 |
2 |
| SJK Energy Solutions, LLC | 12 |
2 |
| Toshiba Corporation | 12017 |
1 |
| Rolls-Royce PLC | 2944 |
1 |
| Purdue Research Foundation | 3277 |
1 |
| 1564330 Ontario Inc. | 16 |
1 |
| Adelaide Research & Innovation Pty Ltd | 102 |
1 |
| ADV Tech | 11 |
1 |
| AeroComposites, Inc. | 2 |
1 |
| Other owners | 61 |