- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 47/04 - Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps the driving mechanisms being situated at ground level the driving means incorporating fluid means
Patent holdings for IPC class F04B 47/04
Total number of patents in this class: 124
10-year publication summary
|
17
|
25
|
19
|
9
|
14
|
10
|
5
|
10
|
3
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| I-jack Technologies Incorporated | 30 |
14 |
| Halliburton Energy Services, Inc. | 21320 |
10 |
| Serinpet Ltda. Representaciones y Servicios de Petroleos | 9 |
6 |
| Upwing Energy, Inc. | 61 |
6 |
| Weatherford Technology Holdings, LLC | 2158 |
5 |
| Ravdos Holdings Inc. | 50 |
4 |
| Ameriforge Group Inc. | 36 |
3 |
| Saudi Arabian Oil Company | 14248 |
3 |
| Schlumberger Technology Corporation | 11820 |
2 |
| Moog Inc. | 430 |
2 |
| Richard Frederick McNichol | 2 |
2 |
| Weir Minerals Netherlands B.V. | 63 |
2 |
| Baker Hughes Oilfield Operations, LLC | 2532 |
2 |
| MGB Oilfield Solutions, LLC | 17 |
2 |
| Grundfos Management a/s | 168 |
2 |
| BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 230 |
2 |
| Dex-pump, LLC | 2 |
2 |
| LateraLift, LLC | 4 |
2 |
| Digital Downhole IP, LLC | 3 |
2 |
| Baker Hughes Incorporated | 4927 |
1 |
| Other owners | 50 |