Détention brevets de la classe G01V 3/32

Brevets de cette classe: 912

Historique des publications depuis 10 ans

47
56
70
64
66
64
54
40
41
6
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Propriétaires principaux

Proprétaire
Total
Cette classe
Schlumberger Technology Corporation
9690
167
Halliburton Energy Services, Inc.
20165
158
Schlumberger Canada Limited
6913
68
Baker Hughes Incorporated
5689
67
Services Petroliers Schlumberger
5426
67
Schlumberger Technology B.v.
4951
66
Saudi Arabian Oil Company
11322
64
Baker Hughes, a GE Company, LLC
2171
37
Schlumberger Holdings Limited
2947
34
Prad Research and Development Limited
2696
33
Baker Hughes Oilfield Operations, LLC
1885
22
Aramco Services Company
3504
13
Chevron U.S.A. Inc.
3774
11
China University of Petroleum (Beijing)
258
10
King Fahd University of Petroleum and Minerals
779
8
Vista Clara Inc.
20
7
ConocoPhillips Company
1657
5
ExxonMobil Upstream Research Company
2525
5
Microsilicon Inc.
10
5
BP Exploration Operating Company Limited
270
3
Autres propriétaires 62