Détention brevets de la classe G01V 3/30

Brevets de cette classe: 917

Historique des publications depuis 10 ans

61
85
67
76
88
56
58
43
38
14
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Propriétaires principaux

Proprétaire
Total
Cette classe
Halliburton Energy Services, Inc.
20165
223
Schlumberger Technology Corporation
9690
113
Saudi Arabian Oil Company
11322
61
Schlumberger Canada Limited
6913
49
Baker Hughes Incorporated
5689
45
Schlumberger Technology B.v.
4951
44
Services Petroliers Schlumberger
5426
44
Schlumberger Holdings Limited
2947
22
Baker Hughes, a GE Company, LLC
2171
20
Prad Research and Development Limited
2696
17
Baker Hughes Oilfield Operations, LLC
1885
15
Aramco Services Company
3504
14
Well Resolutions Technology
33
13
Oliden Technology, LLC
46
12
China National Petroleum Corporation
245
9
Baker Hughes Holdings LLC
3060
9
Chevron U.S.A. Inc.
3774
8
China Petroleum & Chemical Corporation
1623
7
ExxonMobil Upstream Research Company
2525
7
Bench Tree Group, LLC
63
6
Autres propriétaires 179