Détention brevets de la classe G01V 3/34

Brevets de cette classe: 386

Historique des publications depuis 10 ans

17
22
33
30
29
34
17
10
7
11
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Propriétaires principaux

Proprétaire
Total
Cette classe
Halliburton Energy Services, Inc.
21002
95
Schlumberger Technology Corporation
10949
42
Baker Hughes Incorporated
5236
36
Schlumberger Canada Limited
7396
21
Schlumberger Technology B.v.
5201
21
Services Petroliers Schlumberger
5850
21
Schlumberger Holdings Limited
2799
13
Prad Research and Development Limited
2690
13
Saudi Arabian Oil Company
13472
13
Well Resolutions Technology
38
11
Baker Hughes, a GE Company, LLC
2109
8
Merlin Technology, Inc.
164
7
Baker Hughes Oilfield Operations, LLC
2353
6
Smith International, Inc.
715
4
Chevron U.S.A. Inc.
4016
3
Expro North Sea Limited
232
3
Board of Regents, The University of Texas System
5898
2
CGG Services SA
422
2
CMTE Development Limited
39
2
Evolution Engineering Inc.
300
2
Autres propriétaires 61