- All sections
- G - Physics
- G01V - Geophysicsgravitational measurementsdetecting masses or objectstags
- G01V 3/12 - Electric or magnetic prospecting or detectingMeasuring magnetic field characteristics of the earth, e.g. declination or deviation operating with electromagnetic waves
Patent holdings for IPC class G01V 3/12
Total number of patents in this class: 1250
10-year publication summary
|
70
|
87
|
104
|
88
|
93
|
66
|
57
|
68
|
62
|
34
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21338 |
50 |
| Schlumberger Technology Corporation | 11818 |
33 |
| Schlumberger Canada Limited | 7606 |
32 |
| Ivani, LLC | 83 |
28 |
| NEC Corporation | 37004 |
23 |
| Seescan, Inc. | 571 |
23 |
| Schlumberger Technology B.v. | 5298 |
21 |
| Services Petroliers Schlumberger | 6024 |
20 |
| Saudi Arabian Oil Company | 14235 |
18 |
| PGS Geophysical AS | 526 |
16 |
| Mitsubishi Electric Corporation | 48018 |
15 |
| Robert Bosch GmbH | 44160 |
14 |
| Tsinghua University | 6211 |
13 |
| Nippon Telegraph and Telephone Corporation | 15924 |
12 |
| Well Resolutions Technology | 40 |
12 |
| Schlumberger Holdings Limited | 2699 |
11 |
| Denso Corporation | 25534 |
11 |
| Institute of Geology and Geophysics, Chinese Academy of Sciences | 354 |
11 |
| Nuctech Company Limited | 1477 |
11 |
| Baker Hughes Incorporated | 4934 |
10 |
| Other owners | 866 |