- All sections
- G - Physics
- G01V - Geophysicsgravitational measurementsdetecting masses or objectstags
- G01V 3/40 - Electric or magnetic prospecting or detectingMeasuring magnetic field characteristics of the earth, e.g. declination or deviation specially adapted for measuring magnetic field characteristics of the earth
Patent holdings for IPC class G01V 3/40
Total number of patents in this class: 122
10-year publication summary
|
8
|
11
|
12
|
6
|
6
|
8
|
6
|
7
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1
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schlumberger Technology Corporation | 11961 |
7 |
| Halliburton Energy Services, Inc. | 21299 |
6 |
| Gyrodata, Incorporated | 69 |
4 |
| Samsung Electronics Co., Ltd. | 159298 |
3 |
| China Metallurgical Geology Bureau Geological Exploration Institute of Shandong Zhengyuan | 3 |
3 |
| ConocoPhillips Company | 1717 |
3 |
| Institute of Geology and Geophysics, Chinese Academy of Sciences | 362 |
3 |
| Institute of Geology and Geophysics Chinese Academy of Sciences (iggcas) | 18 |
3 |
| Schlumberger Canada Limited | 7616 |
2 |
| Schlumberger Technology B.v. | 5289 |
2 |
| The Regents of the University of Michigan | 5051 |
2 |
| The Johns Hopkins University | 5948 |
2 |
| Danmarks Tekniske Universitet | 1043 |
2 |
| Indooratlas Oy | 23 |
2 |
| Japan Aviation Electronics Industry, Limited | 1872 |
2 |
| KT & G Corporation | 3173 |
2 |
| Services Petroliers Schlumberger | 6024 |
2 |
| Technological Resources Pty. Limited | 443 |
2 |
| Baker Hughes, a GE Company, LLC | 2022 |
2 |
| China Aeronautical Radio Electronics Research Institute | 2 |
2 |
| Other owners | 66 |