- All sections
- G - Physics
- G01V - Geophysicsgravitational measurementsdetecting masses or objectstags
- G01V 3/30 - Electric or magnetic prospecting or detectingMeasuring magnetic field characteristics of the earth, e.g. declination or deviation specially adapted for well-logging operating with electromagnetic waves
Patent holdings for IPC class G01V 3/30
Total number of patents in this class: 1098
10-year publication summary
|
63
|
69
|
85
|
52
|
58
|
40
|
41
|
59
|
60
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21115 |
278 |
| Schlumberger Technology Corporation | 11298 |
149 |
| Schlumberger Canada Limited | 7497 |
75 |
| Services Petroliers Schlumberger | 5931 |
69 |
| Schlumberger Technology B.v. | 5251 |
67 |
| Saudi Arabian Oil Company | 13865 |
60 |
| Baker Hughes Incorporated | 5098 |
38 |
| Baker Hughes Oilfield Operations, LLC | 2414 |
25 |
| Schlumberger Holdings Limited | 2754 |
21 |
| Baker Hughes, a GE Company, LLC | 2105 |
20 |
| Prad Research and Development Limited | 2684 |
17 |
| Aramco Services Company | 4156 |
15 |
| Well Resolutions Technology | 39 |
14 |
| Oliden Technology, LLC | 46 |
12 |
| China National Petroleum Corporation | 499 |
9 |
| Baker Hughes Holdings LLC | 2985 |
9 |
| Chevron U.S.A. Inc. | 4050 |
8 |
| Bench Tree Group, LLC | 65 |
7 |
| China Petroleum & Chemical Corporation | 2002 |
7 |
| ExxonMobil Upstream Research Company | 2356 |
7 |
| Other owners | 191 |