Détention brevets de la classe G01V 3/32

Brevets de cette classe: 1009

Historique des publications depuis 10 ans

68
63
63
62
52
40
40
30
43
4
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Propriétaires principaux

Proprétaire
Total
Cette classe
Halliburton Energy Services, Inc.
21144
189
Schlumberger Technology Corporation
11349
187
Schlumberger Canada Limited
7524
78
Services Petroliers Schlumberger
5945
78
Schlumberger Technology B.v.
5259
74
Saudi Arabian Oil Company
13904
68
Baker Hughes Incorporated
5088
59
Baker Hughes, a GE Company, LLC
2105
37
Schlumberger Holdings Limited
2753
34
Prad Research and Development Limited
2683
33
Baker Hughes Oilfield Operations, LLC
2424
27
Aramco Services Company
4158
14
Chevron U.S.A. Inc.
4073
10
China University of Petroleum (Beijing)
293
10
ConocoPhillips Company
1699
9
Vista Clara Inc.
22
9
King Fahd University of Petroleum and Minerals
1450
7
Microsilicon Inc.
10
5
Geoquest Systems B.V.
823
4
ExxonMobil Technology and Engineering Company
1250
4
Autres propriétaires 73