- 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: 78
10-year publication summary
|
3
|
8
|
3
|
0
|
2
|
0
|
3
|
2
|
2
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schlumberger Canada Limited | 7606 |
12 |
| Schlumberger Technology Corporation | 11818 |
10 |
| Geco Technology B.V. | 335 |
8 |
| WesternGeco L.L.C. | 546 |
4 |
| Halliburton Energy Services, Inc. | 21338 |
3 |
| Explor Geophysical Ltd. | 14 |
3 |
| PGS Geophysical AS | 526 |
3 |
| Baker Hughes Oilfield Operations, LLC | 2527 |
3 |
| Shell Internationale Research Maatschappij B.V. | 3403 |
2 |
| Shell Oil Company | 2071 |
2 |
| BP Exploration Operating Company Limited | 257 |
2 |
| Geoquest Systems B.V. | 872 |
2 |
| Geospace Technologies, LP | 21 |
2 |
| Sercel | 200 |
2 |
| Services Petroliers Schlumberger | 6024 |
2 |
| SRD Innovations Inc. | 4 |
2 |
| Western Geco L. L. C. | 40 |
2 |
| Rtx Corporation | 10102 |
2 |
| Schlumberger Technology B.v. | 5298 |
1 |
| Austin Star Detonator Company | 38 |
1 |
| Other owners | 10 |