- All sections
- G - Physics
- G01V - Geophysicsgravitational measurementsdetecting masses or objectstags
- G01V 1/44 - SeismologySeismic or acoustic prospecting or detecting specially adapted for well-logging using generators and receivers in the same well
Patent holdings for IPC class G01V 1/44
Total number of patents in this class: 365
10-year publication summary
|
30
|
24
|
28
|
33
|
22
|
14
|
9
|
20
|
17
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20684 |
78 |
| Schlumberger Technology Corporation | 10591 |
47 |
| Baker Hughes Incorporated | 5301 |
37 |
| Schlumberger Canada Limited | 7201 |
20 |
| Schlumberger Technology B.v. | 5138 |
15 |
| Services Petroliers Schlumberger | 5739 |
14 |
| Baker Hughes, a GE Company, LLC | 2115 |
11 |
| Triad National Security, LLC | 602 |
10 |
| Saudi Arabian Oil Company | 12785 |
9 |
| Baker Hughes Oilfield Operations, LLC | 2251 |
8 |
| Schlumberger Holdings Limited | 2847 |
6 |
| ConocoPhillips Company | 1668 |
6 |
| Prad Research and Development Limited | 2695 |
6 |
| Silixa Ltd. | 95 |
6 |
| Weatherford Technology Holdings, LLC | 2009 |
5 |
| ExxonMobil Upstream Research Company | 2414 |
5 |
| Statoil Petroleum AS | 519 |
5 |
| Baker Hughes Holdings LLC | 3012 |
5 |
| OptaSense Holdings Limited | 194 |
4 |
| Pipelines 2 Data (p2d) Limited | 18 |
4 |
| Other owners | 64 |