- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F03B - Machines or engines for liquids
- F03B 3/18 - Stator bladesGuide conduits or vanes, e.g. adjustable
Patent holdings for IPC class F03B 3/18
Total number of patents in this class: 174
10-year publication summary
|
26
|
19
|
27
|
18
|
20
|
13
|
5
|
10
|
5
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Voith Patent GmbH | 2759 |
28 |
| GE Renewable Technologies | 108 |
10 |
| Andritz Hydro GmbH | 69 |
8 |
| Alstom Renewable Technologies | 72 |
6 |
| Franklin Empire | 6 |
6 |
| Toshiba Corporation | 12350 |
5 |
| Fluid Equipment Development Company, LLC | 89 |
4 |
| Hydrokinetic Energy Corp | 9 |
4 |
| Toshiba Energy Systems & Solutions Corp. | 1079 |
4 |
| Alstom Hydro France | 38 |
3 |
| Electricite de France | 732 |
3 |
| Dongfang Electric Machinery Co., Ltd. | 44 |
3 |
| Rolls-Royce PLC | 3104 |
2 |
| Andritz AG | 233 |
2 |
| Differential Dynamics Corporation | 25 |
2 |
| Dynavec AS | 17 |
2 |
| Instituto Superior Tecnico | 152 |
2 |
| Jiangsu University | 1103 |
2 |
| National University of Ireland, Galway | 280 |
2 |
| Organoworld Inc. | 16 |
2 |
| Other owners | 74 |