- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F03B - Machines or engines for liquids
- F03B 15/14 - Regulating, i.e. acting automatically by or of water level
Patent holdings for IPC class F03B 15/14
Total number of patents in this class: 25
10-year publication summary
|
9
|
3
|
5
|
6
|
0
|
3
|
1
|
1
|
5
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Electricite de France | 732 |
4 |
| Alstom Renewable Technologies | 72 |
2 |
| Lone Gull Holdings, Ltd. | 124 |
2 |
| Maschinenfabrik Kba-mödling Aktiengesellschaft | 5 |
2 |
| Canadian Powerplus Corporation | 2 |
2 |
| W.L. French Hydropower Holdings LLC | 13 |
2 |
| Asociacion de Canalistas Sociedad del Canal del Maipo | 1 |
1 |
| Fuzhou University | 313 |
1 |
| Hitachi Mitsubishi Hydro Corporation | 34 |
1 |
| Riahmedia, Inc. | 7 |
1 |
| Trustees of Dartmouth College | 1084 |
1 |
| Voith Patent GmbH | 2756 |
1 |
| SEO Jun Ltd. | 1 |
1 |
| China Three Gorges Corporation | 178 |
1 |
| Hydrogerador | 1 |
1 |
| SEE-Hydropower GmbH | 1 |
1 |
| Maxim Raskin | 1 |
1 |
| Other owners | 0 |