Détention brevets de la classe G01V 3/30

Brevets de cette classe: 1084

Historique des publications depuis 10 ans

78
63
69
85
52
58
40
41
59
60
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Propriétaires principaux

Proprétaire
Total
Cette classe
Halliburton Energy Services, Inc.
21114
276
Schlumberger Technology Corporation
11102
145
Schlumberger Canada Limited
7451
73
Services Petroliers Schlumberger
5893
67
Schlumberger Technology B.v.
5224
65
Saudi Arabian Oil Company
13681
60
Baker Hughes Incorporated
5165
38
Baker Hughes Oilfield Operations, LLC
2398
25
Schlumberger Holdings Limited
2773
21
Baker Hughes, a GE Company, LLC
2102
20
Prad Research and Development Limited
2687
17
Aramco Services Company
4110
15
Well Resolutions Technology
39
14
Oliden Technology, LLC
46
12
China National Petroleum Corporation
479
9
Baker Hughes Holdings LLC
2997
9
Chevron U.S.A. Inc.
4012
8
Bench Tree Group, LLC
64
7
China Petroleum & Chemical Corporation
1964
7
ExxonMobil Upstream Research Company
2372
7
Autres propriétaires 189