- All sections
- G - Physics
- G01V - Geophysicsgravitational measurementsdetecting masses or objectstags
- G01V 1/40 - SeismologySeismic or acoustic prospecting or detecting specially adapted for well-logging
Patent holdings for IPC class G01V 1/40
Total number of patents in this class: 2717
10-year publication summary
|
253
|
175
|
94
|
55
|
34
|
68
|
32
|
59
|
58
|
68
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21078 |
520 |
| Schlumberger Technology Corporation | 11054 |
326 |
| Schlumberger Canada Limited | 7432 |
277 |
| Services Petroliers Schlumberger | 5884 |
225 |
| Baker Hughes Incorporated | 5175 |
179 |
| Schlumberger Technology B.v. | 5223 |
177 |
| Prad Research and Development Limited | 2687 |
106 |
| Schlumberger Holdings Limited | 2790 |
97 |
| Landmark Graphics Corporation | 1515 |
57 |
| ExxonMobil Upstream Research Company | 2379 |
54 |
| Geoquest Systems B.V. | 796 |
49 |
| Saudi Arabian Oil Company | 13656 |
49 |
| Chevron U.S.A. Inc. | 4018 |
37 |
| ConocoPhillips Company | 1685 |
36 |
| Baker Hughes, a GE Company, LLC | 2106 |
30 |
| Baker Hughes Oilfield Operations, LLC | 2390 |
24 |
| WesternGeco L.L.C. | 559 |
21 |
| Seismos Inc. | 43 |
11 |
| Smith International, Inc. | 714 |
10 |
| Silixa Ltd. | 95 |
9 |
| Other owners | 423 |