- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04F - Pumping of fluid by direct contact of another fluid or by using inertia of fluid to be pumped; siphons
- F04F 1/00 - Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped
Patent holdings for IPC class F04F 1/00
Total number of patents in this class: 40
10-year publication summary
|
1
|
4
|
4
|
1
|
3
|
3
|
1
|
0
|
0
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Biosurfit, S.A. | 64 |
3 |
| King Nutronics, LLC (a Delaware Limited Liability company) | 6 |
3 |
| Blue Planet Environmental Inc. | 25 |
2 |
| FMC Kongsberg Subsea AS | 249 |
2 |
| Hahn-Schickard-Gesellschaft fuer angewandte Forschung e.V. | 43 |
2 |
| Melbu Systems AS | 3 |
2 |
| 3m Innovative Properties Company | 17955 |
1 |
| Tokyo Electron Limited | 12090 |
1 |
| Murata Manufacturing Co., Ltd. | 23648 |
1 |
| Adixen Vacuum Products | 19 |
1 |
| AEL Mining Services Limited | 25 |
1 |
| Ajou University Industry-academic Cooperation Foundation | 969 |
1 |
| Bell Helicopter Textron Inc. | 1085 |
1 |
| Beto Engineering & Marketing Co., Ltd. | 34 |
1 |
| Boyer Inc. | 7 |
1 |
| Diversified Dynamics Corporation | 7 |
1 |
| Early, Daniel M. | 3 |
1 |
| Energy Recovery, Inc. | 175 |
1 |
| Ethosystems, LLC | 3 |
1 |
| Fluor Technologies Corporation | 385 |
1 |
| Other owners | 12 |