- All sections
- G - Physics
- G01V - Geophysics; gravitational measurements; detecting masses or objects; tags
- G01V 3/26 - Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination or deviation specially adapted for well-logging operating with magnetic or electric fields produced or modified either by the surrounding earth formation or by the detecting device
Patent holdings for IPC class G01V 3/26
Total number of patents in this class: 1123
10-year publication summary
|
75
|
93
|
119
|
139
|
75
|
54
|
41
|
23
|
25
|
1
|
| 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 |
327 |
| Schlumberger Technology Corporation | 9690 |
82 |
| Schlumberger Canada Limited | 6913 |
77 |
| Schlumberger Technology B.v. | 4951 |
72 |
| Services Petroliers Schlumberger | 5426 |
70 |
| Baker Hughes Incorporated | 5689 |
66 |
| Schlumberger Holdings Limited | 2947 |
49 |
| Prad Research and Development Limited | 2696 |
43 |
| Saudi Arabian Oil Company | 11322 |
41 |
| Baker Hughes, a GE Company, LLC | 2171 |
27 |
| Well Resolutions Technology | 33 |
14 |
| Scientific Drilling International, Inc. | 161 |
12 |
| Groundmetrics, Inc. | 38 |
9 |
| Board of Regents, The University of Texas System | 5370 |
8 |
| CARBO Ceramics Inc. | 248 |
7 |
| William Marsh Rice University | 937 |
7 |
| Baker Hughes Holdings LLC | 3060 |
7 |
| ConocoPhillips Company | 1657 |
6 |
| Baker Hughes Oilfield Operations, LLC | 1885 |
6 |
| Prad Research and Development NV | 264 |
6 |
| Other owners | 187 |