- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F04B - Positive-displacement machines for liquids; pumps
- F04B 47/00 - Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
Patent holdings for IPC class F04B 47/00
Total number of patents in this class: 367
10-year publication summary
|
34
|
45
|
48
|
35
|
30
|
33
|
24
|
14
|
31
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20438 |
39 |
| SPM Oil & Gas Inc. | 316 |
15 |
| Saudi Arabian Oil Company | 12446 |
14 |
| National Oilwell Varco, L.P. | 1627 |
11 |
| US Well Services LLC | 224 |
11 |
| Anything for a Buck, Inc. | 13 |
10 |
| Aramco Services Company | 3750 |
9 |
| Schlumberger Technology Corporation | 10263 |
8 |
| BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 209 |
8 |
| Cleantek Industries Inc. | 30 |
7 |
| Schlumberger Canada Limited | 7154 |
5 |
| Caterpillar Inc. | 9166 |
5 |
| Services Petroliers Schlumberger | 5633 |
5 |
| Fallback LLC | 7 |
5 |
| Schlumberger Technology B.v. | 5075 |
4 |
| Baker Hughes Incorporated | 5504 |
4 |
| Weatherford Technology Holdings, LLC | 2109 |
4 |
| ExxonMobil Upstream Research Company | 2454 |
4 |
| Ford, Michael Brent | 18 |
4 |
| Raise Production Inc. | 11 |
4 |
| Other owners | 191 |