Détention brevets de la classe G01V 3/24

Brevets de cette classe: 233

Historique des publications depuis 10 ans

23
12
4
8
9
4
7
2
1
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Propriétaires principaux

Proprétaire
Total
Cette classe
Halliburton Energy Services, Inc.
21154
50
Schlumberger Technology Corporation
11436
31
Schlumberger Canada Limited
7552
21
Schlumberger Technology B.v.
5267
20
Services Petroliers Schlumberger
5971
20
Schlumberger Holdings Limited
2744
17
Prad Research and Development Limited
2680
14
Baker Hughes Incorporated
5069
13
Saudi Arabian Oil Company
13937
7
Reeves Wireline Technologies Limited
55
4
Groundmetrics, Inc.
19
3
Baker Hughes Oilfield Operations, LLC
2429
3
Core Laboratories LP
34
2
M-I L.L.C.
777
2
QinetiQ Limited
526
2
Prad Research and Development NV
138
2
Baker Hughes Holdings LLC
2982
2
Weatherford Technology Holdings, LLC
2034
1
Aramco Services Company
4168
1
ConocoPhillips Company
1703
1
Autres propriétaires 17