- 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
|
3
|
2
|
1
|
1
|
2
|
0
|
3
|
2
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21117 |
5 |
| Schlumberger Technology Corporation | 11238 |
3 |
| Baker Hughes Incorporated | 5140 |
2 |
| QinetiQ Limited | 540 |
2 |
| Schlumberger Canada Limited | 7485 |
1 |
| Schlumberger Technology B.v. | 5239 |
1 |
| CMTE Development Limited | 40 |
1 |
| GOWell International, LLC | 16 |
1 |
| Rheinisch-Westfaelische Technische Hochschule Aachen | 14 |
1 |
| Saudi Arabian Oil Company | 13814 |
1 |
| Services Petroliers Schlumberger | 5916 |
1 |
| Baker Hughes Oilfield Operations, LLC | 2402 |
1 |
| Baker Hughes Holdings LLC | 2991 |
1 |
| CCTEG Xi'an Research Institute (Group) Co., Ltd. | 11 |
1 |
| Earthsystems Technologies Operating LLC | 24 |
1 |
| Other owners | 0 |