- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F03B - Machines or engines for liquids
- F03B 13/08 - Machine or engine aggregates in dams or the like; Conduits therefor
Patent holdings for IPC class F03B 13/08
Total number of patents in this class: 193
10-year publication summary
|
28
|
18
|
38
|
27
|
26
|
39
|
26
|
28
|
23
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Verderg Ltd | 30 |
12 |
| Voith Patent GmbH | 2727 |
10 |
| Carroll HECTOR, LLC | 7 |
6 |
| Technische Universitat Munchen | 635 |
4 |
| Dayton Hydro Electric Ltd. | 3 |
3 |
| HeliosAltas Corp. | 14 |
3 |
| Tidetec AS | 6 |
3 |
| Wobben, Aloys | 29 |
3 |
| Wobben Properties GmbH | 1207 |
3 |
| Global Hydro Energy GmbH | 14 |
3 |
| Littoral Power Systems Inc. | 14 |
3 |
| Community Hydro, LLC | 3 |
3 |
| BGH Designs, LLC | 5 |
3 |
| Daikin Industries, Ltd. | 9495 |
2 |
| American Hydro Jet Corporation | 4 |
2 |
| Blue Energy Canada Inc. | 7 |
2 |
| Electromechanical Engineering Associates, Inc. | 6 |
2 |
| Gen9, Inc. | 74 |
2 |
| MJ2 Technologies | 2 |
2 |
| Natel Energy, Inc. | 11 |
2 |
| Other owners | 120 |