Détention brevets de la classe G01V 11/00

Brevets de cette classe: 2029

Historique des publications depuis 10 ans

127
154
184
171
129
135
127
93
63
37
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Propriétaires principaux

Proprétaire
Total
Cette classe
Halliburton Energy Services, Inc.
20165
212
Schlumberger Technology Corporation
9690
166
Saudi Arabian Oil Company
11322
131
Schlumberger Canada Limited
6913
107
Services Petroliers Schlumberger
5426
86
Baker Hughes Incorporated
5689
71
Schlumberger Technology B.v.
4951
70
Schlumberger Holdings Limited
2947
58
Chevron U.S.A. Inc.
3774
54
ExxonMobil Upstream Research Company
2525
54
Prad Research and Development Limited
2696
49
Aramco Services Company
3504
40
Landmark Graphics Corporation
1526
30
Baker Hughes, a GE Company, LLC
2171
24
Keep Technologies, Inc.
23
17
Geoquest Systems B.V.
584
14
Baker Hughes Oilfield Operations, LLC
1885
14
Denso Corporation
23338
12
Statoil Petroleum AS
555
12
Weatherford Technology Holdings, LLC
2135
11
Autres propriétaires 797