- 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: 371
10-year publication summary
|
24
|
28
|
33
|
22
|
15
|
9
|
21
|
18
|
3
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21320 |
82 |
| Schlumberger Technology Corporation | 11820 |
50 |
| Baker Hughes Incorporated | 4927 |
35 |
| Schlumberger Canada Limited | 7601 |
20 |
| Schlumberger Technology B.v. | 5295 |
15 |
| Services Petroliers Schlumberger | 6023 |
14 |
| Baker Hughes, a GE Company, LLC | 2054 |
11 |
| Triad National Security, LLC | 635 |
10 |
| Saudi Arabian Oil Company | 14248 |
9 |
| Baker Hughes Oilfield Operations, LLC | 2532 |
8 |
| Schlumberger Holdings Limited | 2694 |
6 |
| ConocoPhillips Company | 1709 |
6 |
| Prad Research and Development Limited | 2658 |
6 |
| Weatherford Technology Holdings, LLC | 2158 |
5 |
| ExxonMobil Upstream Research Company | 2302 |
5 |
| Silixa Ltd. | 84 |
5 |
| Baker Hughes Holdings LLC | 3021 |
5 |
| OptaSense Holdings Limited | 180 |
4 |
| Statoil Petroleum AS | 469 |
4 |
| Aramco Services Company | 4196 |
3 |
| Other owners | 68 |