- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04F - Pumping of fluid by direct contact of another fluid or by using inertia of fluid to be pumpedsiphons
- F04F 5/50 - Control of compressing pumps
Patent holdings for IPC class F04F 5/50
Total number of patents in this class: 14
10-year publication summary
|
2
|
2
|
2
|
1
|
2
|
1
|
2
|
0
|
0
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Denso Corporation | 25717 |
4 |
| Dyson Technology Limited | 4028 |
2 |
| Selah Holdings, Inc. | 139 |
2 |
| Audi AG | 7577 |
1 |
| AVL Emission Test Systems GmbH | 37 |
1 |
| Insitu, Inc. (a subsidiary of The Boeing company) | 34 |
1 |
| Techni Waterjet Pty Ltd | 14 |
1 |
| NIC Impex | 7 |
1 |
| Fimac S.p.A. | 1 |
1 |
| Other owners | 0 |