Détention brevets de la classe G01V 1/46

Brevets de cette classe: 737

Historique des publications depuis 10 ans

65
55
47
57
55
37
53
43
49
17
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Propriétaires principaux

Proprétaire
Total
Cette classe
Halliburton Energy Services, Inc.
21320
183
Schlumberger Technology Corporation
11798
109
Schlumberger Canada Limited
7606
64
Services Petroliers Schlumberger
6024
49
Saudi Arabian Oil Company
14207
43
Schlumberger Technology B.v.
5298
32
Baker Hughes, a GE Company, LLC
2057
22
Landmark Graphics Corporation
1508
21
Geoquest Systems B.V.
871
18
Chevron U.S.A. Inc.
4134
16
Baker Hughes Incorporated
4940
12
Darkvision Technologies Inc.
91
11
Schlumberger Holdings Limited
2702
9
Los Alamos National Security, LLC
279
9
Prad Research and Development Limited
2662
9
ConocoPhillips Company
1708
8
Triad National Security, LLC
634
8
Baker Hughes Oilfield Operations, LLC
2521
7
Aramco Services Company
4188
6
Institute of Geology and Geophysics, Chinese Academy of Sciences
354
5
Autres propriétaires 96