- All sections
- G - Physics
- G01V - Geophysicsgravitational measurementsdetecting masses or objectstags
- G01V 3/26 - Electric or magnetic prospecting or detectingMeasuring 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: 1113
10-year publication summary
|
119
|
140
|
75
|
54
|
41
|
23
|
32
|
13
|
14
|
4
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21217 |
326 |
| Schlumberger Technology Corporation | 11485 |
88 |
| Schlumberger Canada Limited | 7558 |
76 |
| Schlumberger Technology B.v. | 5267 |
70 |
| Services Petroliers Schlumberger | 5977 |
70 |
| Baker Hughes Incorporated | 5041 |
63 |
| Schlumberger Holdings Limited | 2735 |
44 |
| Prad Research and Development Limited | 2679 |
43 |
| Saudi Arabian Oil Company | 13953 |
41 |
| Baker Hughes, a GE Company, LLC | 2094 |
27 |
| Scientific Drilling International, Inc. | 171 |
14 |
| Well Resolutions Technology | 39 |
14 |
| Baker Hughes Oilfield Operations, LLC | 2441 |
9 |
| Board of Regents, The University of Texas System | 6045 |
8 |
| CARBO Ceramics Inc. | 231 |
8 |
| William Marsh Rice University | 1059 |
7 |
| Baker Hughes Holdings LLC | 2992 |
7 |
| Fleet Space Technologies Pty Ltd | 39 |
7 |
| Bench Tree Group, LLC | 65 |
6 |
| ConocoPhillips Company | 1689 |
6 |
| Other owners | 179 |