- 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: 1247
10-year publication summary
|
70
|
69
|
87
|
103
|
88
|
93
|
66
|
57
|
63
|
41
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20901 |
48 |
| Schlumberger Technology Corporation | 10727 |
32 |
| Schlumberger Canada Limited | 7296 |
32 |
| Ivani, LLC | 82 |
28 |
| Seescan, Inc. | 531 |
26 |
| Schlumberger Technology B.v. | 5165 |
21 |
| NEC Corporation | 35687 |
21 |
| Services Petroliers Schlumberger | 5787 |
20 |
| Saudi Arabian Oil Company | 13185 |
18 |
| Robert Bosch GmbH | 42684 |
16 |
| PGS Geophysical AS | 536 |
16 |
| Mitsubishi Electric Corporation | 46127 |
14 |
| Tsinghua University | 5931 |
13 |
| Nippon Telegraph and Telephone Corporation | 17346 |
13 |
| Schlumberger Holdings Limited | 2822 |
12 |
| Well Resolutions Technology | 38 |
12 |
| Denso Corporation | 24316 |
11 |
| Nuctech Company Limited | 1422 |
11 |
| Baker Hughes Incorporated | 5241 |
10 |
| Geco Technology B.V. | 346 |
10 |
| Other owners | 863 |