Détention brevets de la classe G01V 3/30

Brevets de cette classe: 1036

Historique des publications depuis 10 ans

85
67
76
88
56
58
44
43
62
37
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Propriétaires principaux

Proprétaire
Total
Cette classe
Halliburton Energy Services, Inc.
20908
262
Schlumberger Technology Corporation
10745
137
Schlumberger Canada Limited
7298
66
Saudi Arabian Oil Company
13206
60
Services Petroliers Schlumberger
5788
60
Schlumberger Technology B.v.
5163
59
Baker Hughes Incorporated
5238
40
Baker Hughes Oilfield Operations, LLC
2313
23
Schlumberger Holdings Limited
2819
21
Baker Hughes, a GE Company, LLC
2112
20
Prad Research and Development Limited
2693
17
Aramco Services Company
3981
15
Well Resolutions Technology
38
14
Oliden Technology, LLC
46
12
China National Petroleum Corporation
450
9
Baker Hughes Holdings LLC
3005
9
Chevron U.S.A. Inc.
3966
8
Bench Tree Group, LLC
66
7
China Petroleum & Chemical Corporation
1908
7
ExxonMobil Upstream Research Company
2394
7
Autres propriétaires 183