- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F04B - Positive-displacement machines for liquidspumps
- F04B 47/02 - Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps the driving mechanisms being situated at ground level
Patent holdings for IPC class F04B 47/02
Total number of patents in this class: 570
10-year publication summary
|
104
|
90
|
77
|
56
|
49
|
45
|
22
|
31
|
30
|
12
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Weatherford Technology Holdings, LLC | 2160 |
67 |
| Halliburton Energy Services, Inc. | 21305 |
32 |
| US Well Services LLC | 225 |
28 |
| Ravdos Holdings Inc. | 49 |
21 |
| Schlumberger Technology Corporation | 11839 |
16 |
| Saudi Arabian Oil Company | 14275 |
16 |
| TRC Services, Inc. | 40 |
11 |
| Unico, LLC | 63 |
11 |
| Bristol, Inc., d/b/a Remote Automation Solutions | 102 |
10 |
| General Electric Company | 13908 |
9 |
| Schneider Electric Systems USA, Inc. | 429 |
8 |
| Typhon Technology Solutions (U.S.), LLC | 105 |
8 |
| Baker Hughes Holdings LLC | 3023 |
7 |
| Iron Horse Patents, LLC | 10 |
7 |
| Championx LLC | 642 |
6 |
| Caterpillar Inc. | 10285 |
5 |
| Hydroacoustics Inc. | 15 |
5 |
| Unico, Inc. | 39 |
5 |
| MGB Oilfield Solutions, LLC | 17 |
5 |
| Schlumberger Canada Limited | 7609 |
4 |
| Other owners | 289 |