- 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: 200
10-year publication summary
|
13
|
19
|
26
|
23
|
13
|
22
|
24
|
14
|
12
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Flowco Production Solutions, LLC | 69 |
28 |
| ExxonMobil Upstream Research Company | 2525 |
9 |
| PCS Ferguson, Inc. | 33 |
9 |
| Weatherford Technology Holdings, LLC | 2135 |
6 |
| Saudi Arabian Oil Company | 11322 |
6 |
| Well Master Corp | 27 |
5 |
| Harbison-Fischer, Inc. | 8 |
4 |
| Endurance Lift Solutions, LLC | 34 |
4 |
| Championx LLC | 311 |
4 |
| Epic Lift Systems LLC | 11 |
3 |
| Extreme Telematics Corp. | 19 |
3 |
| Ford, Michael Brent | 19 |
3 |
| Modumetal, Inc. | 72 |
3 |
| Patriot Artificial Lift, LLC | 4 |
3 |
| Raise Production Inc. | 11 |
3 |
| Tier 1 Energy Solutions Inc. | 46 |
3 |
| Modicum, LLC | 13 |
3 |
| Cleantek Industries Inc. | 31 |
3 |
| Aramco Services Company | 3504 |
2 |
| ConocoPhillips Company | 1657 |
2 |
| Other owners | 94 |