Détention brevets de la classe G01V 3/32

Brevets de cette classe: 1013

Historique des publications depuis 10 ans

70
65
66
64
54
40
42
31
46
9
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Propriétaires principaux

Proprétaire
Total
Cette classe
Halliburton Energy Services, Inc.
21293
191
Schlumberger Technology Corporation
11730
188
Schlumberger Canada Limited
7602
78
Services Petroliers Schlumberger
6020
78
Schlumberger Technology B.v.
5297
74
Saudi Arabian Oil Company
14135
68
Baker Hughes Incorporated
4952
58
Baker Hughes, a GE Company, LLC
2105
37
Schlumberger Holdings Limited
2708
34
Prad Research and Development Limited
2667
33
Baker Hughes Oilfield Operations, LLC
2524
28
Aramco Services Company
4178
14
Chevron U.S.A. Inc.
4128
10
China University of Petroleum (Beijing)
301
10
ConocoPhillips Company
1703
9
Vista Clara Inc.
22
9
King Fahd University of Petroleum and Minerals
1555
7
Microsilicon Inc.
10
5
Geoquest Systems B.V.
868
4
ExxonMobil Technology and Engineering Company
1338
4
Autres propriétaires 74