- 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: 629
Historique des publications depuis 10 ans
|
63
|
80
|
65
|
61
|
40
|
26
|
33
|
19
|
21
|
5
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Propriétaires principaux
| Proprétaire |
Total
|
Cette classe
|
|---|---|---|
| Halliburton Energy Services, Inc. | 21320 |
175 |
| Schlumberger Technology Corporation | 11798 |
60 |
| Schlumberger Canada Limited | 7606 |
39 |
| Services Petroliers Schlumberger | 6024 |
31 |
| Baker Hughes, a GE Company, LLC | 2057 |
27 |
| Schlumberger Technology B.v. | 5298 |
25 |
| Saudi Arabian Oil Company | 14207 |
25 |
| Schlumberger Holdings Limited | 2702 |
14 |
| Prad Research and Development Limited | 2662 |
13 |
| Baker Hughes Incorporated | 4940 |
11 |
| Weatherford Technology Holdings, LLC | 2154 |
9 |
| Baker Hughes Oilfield Operations, LLC | 2521 |
9 |
| Landmark Graphics Corporation | 1508 |
8 |
| Aramco Services Company | 4188 |
7 |
| Triad National Security, LLC | 634 |
7 |
| Geoquest Systems B.V. | 871 |
6 |
| CGG Services SA | 434 |
5 |
| ConocoPhillips Company | 1708 |
5 |
| Reeves Wireline Technologies Limited | 55 |
5 |
| Darkvision Technologies Inc. | 91 |
5 |
| Autres propriétaires | 143 |