Détention brevets de la classe G01V 3/30

Brevets de cette classe: 1117

Historique des publications depuis 10 ans

67
76
88
56
59
44
43
67
65
30
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Propriétaires principaux

Proprétaire
Total
Cette classe
Halliburton Energy Services, Inc.
21338
288
Schlumberger Technology Corporation
11818
151
Schlumberger Canada Limited
7606
78
Services Petroliers Schlumberger
6024
69
Schlumberger Technology B.v.
5298
67
Saudi Arabian Oil Company
14235
60
Baker Hughes Incorporated
4934
38
Baker Hughes Oilfield Operations, LLC
2527
26
Schlumberger Holdings Limited
2699
21
Baker Hughes, a GE Company, LLC
2056
20
Prad Research and Development Limited
2661
17
Aramco Services Company
4195
15
Well Resolutions Technology
40
14
Oliden Technology, LLC
46
12
China National Petroleum Corporation
636
9
Baker Hughes Holdings LLC
3023
9
Chevron U.S.A. Inc.
4140
8
China Petroleum & Chemical Corporation
2152
8
Bench Tree Group, LLC
67
7
ExxonMobil Upstream Research Company
2305
6
Autres propriétaires 194