- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- 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: 366
10-year publication summary
34
|
45
|
48
|
35
|
30
|
33
|
25
|
15
|
32
|
9
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Halliburton Energy Services, Inc. | 20769 |
39 |
Saudi Arabian Oil Company | 12891 |
15 |
SPM Oil & Gas Inc. | 323 |
15 |
National Oilwell Varco, L.P. | 1648 |
12 |
US Well Services LLC | 226 |
11 |
Anything for a Buck, Inc. | 13 |
10 |
Aramco Services Company | 3921 |
9 |
Schlumberger Technology Corporation | 10641 |
8 |
BJ Energy Solutions, LLC (formerly TES Asset Acquisition, LLC) | 212 |
8 |
Cleantek Industries Inc. | 27 |
7 |
Schlumberger Canada Limited | 7244 |
5 |
Caterpillar Inc. | 9509 |
5 |
Services Petroliers Schlumberger | 5763 |
5 |
Fallback LLC | 8 |
5 |
GD Energy Products, LLC | 105 |
5 |
Schlumberger Technology B.v. | 5154 |
4 |
Baker Hughes Incorporated | 5281 |
4 |
Weatherford Technology Holdings, LLC | 2012 |
4 |
ExxonMobil Upstream Research Company | 2411 |
4 |
PENTAIR Flow Technologies, LLC | 174 |
4 |
Other owners | 187 |