- All sections
- G - Physics
- G01V - Geophysicsgravitational measurementsdetecting masses or objectstags
- G01V 3/32 - Electric or magnetic prospecting or detectingMeasuring magnetic field characteristics of the earth, e.g. declination or deviation specially adapted for well-logging operating with electron or nuclear magnetic resonance
Patent holdings for IPC class G01V 3/32
Total number of patents in this class: 1012
10-year publication summary
|
70
|
65
|
66
|
64
|
54
|
40
|
42
|
31
|
46
|
9
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21320 |
191 |
| Schlumberger Technology Corporation | 11798 |
188 |
| Schlumberger Canada Limited | 7606 |
78 |
| Services Petroliers Schlumberger | 6024 |
78 |
| Schlumberger Technology B.v. | 5298 |
74 |
| Saudi Arabian Oil Company | 14207 |
68 |
| Baker Hughes Incorporated | 4940 |
57 |
| Baker Hughes, a GE Company, LLC | 2057 |
37 |
| Schlumberger Holdings Limited | 2702 |
34 |
| Prad Research and Development Limited | 2662 |
33 |
| Baker Hughes Oilfield Operations, LLC | 2521 |
28 |
| Aramco Services Company | 4188 |
14 |
| Chevron U.S.A. Inc. | 4134 |
10 |
| China University of Petroleum (Beijing) | 303 |
10 |
| ConocoPhillips Company | 1708 |
9 |
| Vista Clara Inc. | 22 |
9 |
| King Fahd University of Petroleum and Minerals | 1569 |
7 |
| Microsilicon Inc. | 10 |
5 |
| Geoquest Systems B.V. | 871 |
4 |
| ExxonMobil Technology and Engineering Company | 1349 |
4 |
| Other owners | 74 |