- 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: 1234
10-year publication summary
|
70
|
70
|
87
|
104
|
88
|
93
|
66
|
57
|
62
|
28
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20769 |
48 |
| Schlumberger Technology Corporation | 10641 |
32 |
| Schlumberger Canada Limited | 7244 |
32 |
| Ivani, LLC | 82 |
28 |
| Seescan, Inc. | 529 |
25 |
| Schlumberger Technology B.v. | 5154 |
21 |
| NEC Corporation | 35424 |
20 |
| Services Petroliers Schlumberger | 5763 |
20 |
| Saudi Arabian Oil Company | 12891 |
18 |
| Robert Bosch GmbH | 42505 |
16 |
| PGS Geophysical AS | 536 |
16 |
| Mitsubishi Electric Corporation | 45860 |
14 |
| Nippon Telegraph and Telephone Corporation | 17207 |
13 |
| Schlumberger Holdings Limited | 2840 |
12 |
| Tsinghua University | 5842 |
12 |
| Well Resolutions Technology | 37 |
12 |
| Denso Corporation | 24146 |
11 |
| Baker Hughes Incorporated | 5281 |
10 |
| Nuctech Company Limited | 1381 |
10 |
| Geco Technology B.V. | 346 |
10 |
| Other owners | 854 |