- Sections
- G - Physique
- G01V - Géophysiquemesure de la gravitationdétection des masses ou objetsmarques d'identification
- G01V 1/52 - Détails de structure
Détention brevets de la classe G01V 1/52
Brevets de cette classe: 624
Historique des publications depuis 10 ans
|
57
|
63
|
80
|
64
|
61
|
40
|
26
|
32
|
17
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20672 |
172 |
| Schlumberger Technology Corporation | 10567 |
60 |
| Schlumberger Canada Limited | 7190 |
39 |
| Services Petroliers Schlumberger | 5731 |
31 |
| Baker Hughes, a GE Company, LLC | 2115 |
27 |
| Schlumberger Technology B.v. | 5130 |
25 |
| Saudi Arabian Oil Company | 12761 |
22 |
| Baker Hughes Incorporated | 5301 |
16 |
| Schlumberger Holdings Limited | 2847 |
14 |
| Prad Research and Development Limited | 2695 |
13 |
| Weatherford Technology Holdings, LLC | 2010 |
9 |
| Landmark Graphics Corporation | 1518 |
8 |
| Baker Hughes Oilfield Operations, LLC | 2236 |
8 |
| Aramco Services Company | 3892 |
7 |
| Triad National Security, LLC | 602 |
7 |
| Geoquest Systems B.V. | 725 |
6 |
| CGG Services SA | 411 |
5 |
| ConocoPhillips Company | 1668 |
5 |
| Reeves Wireline Technologies Limited | 56 |
5 |
| Darkvision Technologies Inc. | 80 |
5 |
| Autres propriétaires | 140 |