- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F03B - Machines or engines for liquids
- F03B 3/02 - Machines or engines of reaction type; Parts or details peculiar thereto with radial flow at high-pressure side and axial flow at low-pressure side of rotors, e.g. Francis turbines
Patent holdings for IPC class F03B 3/02
Total number of patents in this class: 127
10-year publication summary
|
7
|
14
|
14
|
15
|
12
|
11
|
8
|
5
|
8
|
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 |
25 |
| GE Renewable Technologies | 122 |
22 |
| Toshiba Corporation | 12017 |
9 |
| Alstom Renewable Technologies | 76 |
8 |
| Andritz Hydro Ltd. | 8 |
6 |
| Alstom Hydro France | 38 |
4 |
| Andritz Hydro Canada Inc. | 16 |
4 |
| Technische Universitat Munchen | 635 |
3 |
| Toshiba Energy Systems & Solutions Corp. | 954 |
3 |
| Andritz Technology and Asset Management GmbH | 89 |
2 |
| Canyon Industries, Inc. | 7 |
2 |
| Fluid Equipment Development Company, LLC | 84 |
2 |
| Sulzer Management AG | 613 |
2 |
| Technische Universitaet Muenchen | 125 |
2 |
| MIRAKA, Mirakatec | 2 |
2 |
| ICA Turbine LLC | 2 |
2 |
| Tap Energy LLC | 5 |
2 |
| Daikin Industries, Ltd. | 9495 |
1 |
| Asia Vital Components Co., Ltd. | 413 |
1 |
| The Chugoku Electric Power Co., Inc. | 498 |
1 |
| Other owners | 24 |