- All sections
- G - Physics
- G01V - Geophysicsgravitational measurementsdetecting masses or objectstags
- G01V 1/26 - Reference-signal-transmitting devices, e.g. indicating moment of firing of shot
Patent holdings for IPC class G01V 1/26
Total number of patents in this class: 81
10-year publication summary
|
4
|
3
|
6
|
3
|
0
|
2
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0
|
3
|
2
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schlumberger Canada Limited | 7343 |
12 |
| Geco Technology B.V. | 346 |
8 |
| Schlumberger Technology Corporation | 10802 |
7 |
| Sercel | 206 |
4 |
| WesternGeco L.L.C. | 559 |
4 |
| Halliburton Energy Services, Inc. | 20924 |
3 |
| Explor Geophysical Ltd. | 15 |
3 |
| PGS Geophysical AS | 538 |
3 |
| SRD Innovations Inc. | 6 |
3 |
| Baker Hughes Oilfield Operations, LLC | 2304 |
3 |
| Shell Internationale Research Maatschappij B.V. | 3549 |
2 |
| Shell Oil Company | 2138 |
2 |
| Austin Star Detonator Company | 39 |
2 |
| BP Exploration Operating Company Limited | 270 |
2 |
| Geoquest Systems B.V. | 756 |
2 |
| Geospace Technologies, LP | 21 |
2 |
| Services Petroliers Schlumberger | 5811 |
2 |
| Western Geco L. L. C. | 40 |
2 |
| Rtx Corporation | 9419 |
2 |
| Schlumberger Technology B.v. | 5182 |
1 |
| Other owners | 12 |