- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 47/12 - Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps having free plunger lifting the fluid to the surface
Patent holdings for IPC class F04B 47/12
Total number of patents in this class: 230
10-year publication summary
|
26
|
23
|
13
|
22
|
24
|
16
|
15
|
25
|
16
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Flowco Production Solutions, LLC | 62 |
35 |
| Saudi Arabian Oil Company | 13956 |
17 |
| Epic Lift Systems | 21 |
16 |
| ExxonMobil Upstream Research Company | 2331 |
9 |
| PCS Ferguson, Inc. | 19 |
7 |
| Endurance Lift Solutions, LLC | 43 |
7 |
| Aramco Services Company | 4162 |
6 |
| Harbison-Fischer, Inc. | 6 |
4 |
| Tier 1 Energy Solutions Inc. | 84 |
4 |
| Championx LLC | 621 |
4 |
| Weatherford Technology Holdings, LLC | 2072 |
3 |
| Epic Lift Systems LLC | 11 |
3 |
| Extreme Telematics Corp. | 19 |
3 |
| Modumetal, Inc. | 74 |
3 |
| Raise Production Inc. | 11 |
3 |
| Well Master Corp | 22 |
3 |
| Tri-Lift Services Inc. | 3 |
3 |
| Modicum, LLC | 14 |
3 |
| Cleantek Industries Inc. | 22 |
3 |
| Liberty Lift Solutions LLC | 47 |
3 |
| Other owners | 91 |