Détention brevets de la classe G01V 3/38

Brevets de cette classe: 2107

Historique des publications depuis 10 ans

201
157
154
141
127
127
103
93
85
44
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Propriétaires principaux

Proprétaire
Total
Cette classe
Halliburton Energy Services, Inc.
20901
472
Schlumberger Technology Corporation
10727
243
Schlumberger Canada Limited
7296
139
Services Petroliers Schlumberger
5787
118
Schlumberger Technology B.v.
5165
104
Baker Hughes Incorporated
5241
80
Saudi Arabian Oil Company
13185
74
Schlumberger Holdings Limited
2822
55
Prad Research and Development Limited
2693
55
Baker Hughes, a GE Company, LLC
2112
35
ExxonMobil Upstream Research Company
2397
22
Institute of Geology and Geophysics, Chinese Academy of Sciences
326
22
Landmark Graphics Corporation
1523
18
Chevron U.S.A. Inc.
3962
18
Geoquest Systems B.V.
749
16
Minelab Electronics Pty Limited
125
15
Seescan, Inc.
531
15
Technological Resources Pty. Limited
453
13
Baker Hughes Oilfield Operations, LLC
2305
12
Reeves Wireline Technologies Limited
56
11
Autres propriétaires 570