- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- 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: 219
10-year publication summary
19
|
26
|
23
|
13
|
22
|
24
|
15
|
13
|
21
|
0
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Flowco Production Solutions, LLC | 78 |
30 |
Epic Lift Systems | 19 |
11 |
Saudi Arabian Oil Company | 12404 |
10 |
ExxonMobil Upstream Research Company | 2456 |
9 |
PCS Ferguson, Inc. | 22 |
9 |
Weatherford Technology Holdings, LLC | 2107 |
5 |
Well Master Corp | 27 |
5 |
Endurance Lift Solutions, LLC | 38 |
5 |
Aramco Services Company | 3740 |
4 |
Harbison-Fischer, Inc. | 6 |
4 |
Tier 1 Energy Solutions Inc. | 50 |
4 |
Championx LLC | 441 |
4 |
Epic Lift Systems LLC | 11 |
3 |
Extreme Telematics Corp. | 19 |
3 |
Ford, Michael Brent | 18 |
3 |
Modumetal, Inc. | 71 |
3 |
Patriot Artificial Lift, LLC | 4 |
3 |
Raise Production Inc. | 11 |
3 |
Modicum, LLC | 13 |
3 |
Cleantek Industries Inc. | 30 |
3 |
Other owners | 95 |