- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F03B - Machines or engines for liquids
- F03B 3/18 - Stator blades; Guide conduits or vanes, e.g. adjustable
Patent holdings for IPC class F03B 3/18
Total number of patents in this class: 175
10-year publication summary
|
19
|
26
|
19
|
27
|
18
|
20
|
13
|
5
|
10
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Voith Patent GmbH | 2727 |
27 |
| GE Renewable Technologies | 122 |
11 |
| Alstom Renewable Technologies | 76 |
6 |
| Andritz Hydro GmbH | 65 |
6 |
| Franklin Empire | 6 |
6 |
| Toshiba Corporation | 12017 |
5 |
| Fluid Equipment Development Company, LLC | 84 |
4 |
| Toshiba Energy Systems & Solutions Corp. | 954 |
4 |
| Alstom Hydro France | 38 |
3 |
| Electricite de France | 695 |
3 |
| Hydrokinetic Energy Corp | 8 |
3 |
| Rtx Corporation | 8674 |
3 |
| Rolls-Royce PLC | 2944 |
2 |
| Andritz AG | 218 |
2 |
| Differential Dynamics Corporation | 27 |
2 |
| Dynavec AS | 17 |
2 |
| Instituto Superior Tecnico | 137 |
2 |
| National University of Ireland, Galway | 288 |
2 |
| Organoworld Inc. | 16 |
2 |
| Voith Hydro Holding GmbH & Co. KG | 4 |
2 |
| Other owners | 78 |