- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F03B - Machines or engines for liquids
- F03B 15/18 - Regulating, i.e. acting automatically for safety purposes, e.g. preventing overspeed
Patent holdings for IPC class F03B 15/18
Total number of patents in this class: 31
10-year publication summary
|
3
|
6
|
4
|
4
|
1
|
1
|
0
|
1
|
2
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Voith Patent GmbH | 2753 |
8 |
| NTN Corporation | 4914 |
5 |
| Save Innovations | 14 |
2 |
| Daikin Industries, Ltd. | 10472 |
1 |
| ABB Schweiz AG | 7578 |
1 |
| 1847 Subsea Engineering Limited | 4 |
1 |
| Asociacion de Canalistas Sociedad del Canal del Maipo | 1 |
1 |
| Delta T, LLC | 281 |
1 |
| Ocean Flow Energy Limited | 1 |
1 |
| State Grid Gansu Electric Power Corporation | 25 |
1 |
| State Grid Gansu Electric Power Research Institute | 12 |
1 |
| Universidade de Coimbra | 196 |
1 |
| WAM S.p.A. | 9 |
1 |
| GE Renewable Technologies | 112 |
1 |
| ZEL-EN d.o.o. | 1 |
1 |
| Flowserve Pte. Ltd | 380 |
1 |
| Keunnamu Co., Ltd. | 3 |
1 |
| Mesa Associates, Inc. | 5 |
1 |
| State Grid Gansu Liujiaxia Hydropower Station | 1 |
1 |
| Other owners | 0 |