- All sections
- G - Physics
- G01V - Geophysicsgravitational measurementsdetecting masses or objectstags
- G01V 3/22 - Electric or magnetic prospecting or detectingMeasuring magnetic field characteristics of the earth, e.g. declination or deviation specially adapted for well-logging operating with propagation of electric current using DC
Patent holdings for IPC class G01V 3/22
Total number of patents in this class: 23
10-year publication summary
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1
|
3
|
2
|
1
|
1
|
2
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0
|
3
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2
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20835 |
5 |
| Schlumberger Technology Corporation | 10662 |
3 |
| Baker Hughes Incorporated | 5277 |
2 |
| QinetiQ Limited | 561 |
2 |
| Schlumberger Canada Limited | 7273 |
1 |
| Schlumberger Technology B.v. | 5161 |
1 |
| CMTE Development Limited | 39 |
1 |
| GOWell International, LLC | 14 |
1 |
| Rheinisch-Westfaelische Technische Hochschule Aachen | 14 |
1 |
| Saudi Arabian Oil Company | 12947 |
1 |
| Services Petroliers Schlumberger | 5772 |
1 |
| Baker Hughes Oilfield Operations, LLC | 2288 |
1 |
| Baker Hughes Holdings LLC | 3005 |
1 |
| CCTEG Xi'an Research Institute (Group) Co., Ltd. | 9 |
1 |
| Earthsystems Technologies Operating LLC | 21 |
1 |
| Other owners | 0 |