- 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 1/08 - Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped the fluid medium acting on the surface of the liquid to be pumped specially adapted for raising liquids from great depths, e.g. in wells
Patent holdings for IPC class F04F 1/08
Total number of patents in this class: 44
10-year publication summary
|
3
|
2
|
7
|
4
|
5
|
4
|
5
|
1
|
5
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Q.E.D. Environmental Systems, Inc. | 94 |
6 |
| Natural Ocean Well Co. | 27 |
6 |
| Weir Minerals Netherlands B.V. | 49 |
4 |
| Schlumberger Technology Corporation | 10228 |
2 |
| ExxonMobil Upstream Research Company | 2456 |
2 |
| Senior IP GmbH | 53 |
2 |
| WGM Technologies Inc. | 3 |
2 |
| Baker Hughes Incorporated | 5511 |
1 |
| Murata Manufacturing Co., Ltd. | 23648 |
1 |
| 1497690 Alberta Ltd. | 2 |
1 |
| Airwell Oil & Gas Pty Ltd | 1 |
1 |
| Fort Lewis College | 8 |
1 |
| Otis Engineering Corporation | 5 |
1 |
| Petroleum Technology Company AS | 99 |
1 |
| Pulsed Burst Systems, LLC | 5 |
1 |
| Technion Research & Development Foundation Ltd. | 1196 |
1 |
| Thermofluidics Limited | 3 |
1 |
| Yangjiang Xinli Industrial Co., Ltd. | 1 |
1 |
| Sertecpet S.A. | 8 |
1 |
| BST Lift Systems, Inc. | 1 |
1 |
| Other owners | 7 |