Détention brevets de la classe G01V 5/04

Brevets de cette classe: 899

Historique des publications depuis 10 ans

61
70
58
43
27
26
25
35
26
3
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Propriétaires principaux

Proprétaire
Total
Cette classe
Halliburton Energy Services, Inc.
20165
123
Schlumberger Technology Corporation
9690
118
Schlumberger Canada Limited
6913
76
Baker Hughes Incorporated
5689
72
Services Petroliers Schlumberger
5426
71
Schlumberger Technology B.v.
4951
65
Schlumberger Holdings Limited
2947
56
Prad Research and Development Limited
2696
56
Saudi Arabian Oil Company
11322
19
Baker Hughes Oilfield Operations, LLC
1885
12
Saint-Gobain Ceramics & Plastics, Inc.
812
11
ExxonMobil Upstream Research Company
2525
10
Nabors Drilling Technologies USA, Inc.
533
8
Baker Hughes, a GE Company, LLC
2171
7
Weatherford Technology Holdings, LLC
2135
6
Aramco Services Company
3504
6
CBG Corporation
13
6
Ideon Technologies Inc.
22
6
Chevron U.S.A. Inc.
3774
5
China Petroleum & Chemical Corporation
1623
5
Autres propriétaires 161