- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F03B - Machines or engines for liquids
- F03B 15/12 - Regulating, i.e. acting automatically by speed, e.g. by measuring electric frequency or liquid flow with retroactive action
Patent holdings for IPC class F03B 15/12
Total number of patents in this class: 11
10-year publication summary
|
1
|
2
|
1
|
3
|
1
|
2
|
1
|
1
|
0
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Differential Dynamics Corporation | 27 |
7 |
| Daikin Industries, Ltd. | 9495 |
1 |
| IFP Energies Nouvelles | 2717 |
1 |
| Ocean Harvesting Technologies AB | 14 |
1 |
| Keunnamu Co., Ltd. | 3 |
1 |
| Other owners | 0 |