- All sections
- G - Physics
- G01V - Geophysics; gravitational measurements; detecting masses or objects; tags
- G01V 3/12 - Electric or magnetic prospecting or detecting; Measuring 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: 1212
10-year publication summary
|
83
|
70
|
70
|
87
|
103
|
88
|
90
|
61
|
53
|
19
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20165 |
45 |
| Schlumberger Technology Corporation | 9690 |
30 |
| Schlumberger Canada Limited | 6913 |
30 |
| Ivani, LLC | 81 |
27 |
| Seescan, Inc. | 457 |
23 |
| Schlumberger Technology B.v. | 4951 |
19 |
| PGS Geophysical AS | 547 |
18 |
| Services Petroliers Schlumberger | 5426 |
18 |
| Robert Bosch GmbH | 40953 |
17 |
| Saudi Arabian Oil Company | 11322 |
17 |
| NEC Corporation | 32703 |
14 |
| Schlumberger Holdings Limited | 2947 |
12 |
| Mitsubishi Electric Corporation | 43934 |
12 |
| Well Resolutions Technology | 33 |
12 |
| Baker Hughes Incorporated | 5689 |
11 |
| Tsinghua University | 5426 |
11 |
| Nippon Telegraph and Telephone Corporation | 14195 |
11 |
| Denso Corporation | 23338 |
10 |
| ExxonMobil Upstream Research Company | 2525 |
10 |
| Nuctech Company Limited | 1275 |
10 |
| Other owners | 855 |