Détention brevets de la classe G01V 3/30

Brevets de cette classe: 1099

Historique des publications depuis 10 ans

63
69
85
52
58
40
41
59
60
7
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Propriétaires principaux

Proprétaire
Total
Cette classe
Halliburton Energy Services, Inc.
21153
278
Schlumberger Technology Corporation
11404
149
Schlumberger Canada Limited
7550
75
Services Petroliers Schlumberger
5966
69
Schlumberger Technology B.v.
5263
67
Saudi Arabian Oil Company
13921
60
Baker Hughes Incorporated
5082
38
Baker Hughes Oilfield Operations, LLC
2423
25
Schlumberger Holdings Limited
2751
21
Baker Hughes, a GE Company, LLC
2103
20
Prad Research and Development Limited
2681
17
Aramco Services Company
4164
15
Well Resolutions Technology
39
14
Oliden Technology, LLC
46
12
China National Petroleum Corporation
514
9
Baker Hughes Holdings LLC
2981
9
Chevron U.S.A. Inc.
4075
8
Bench Tree Group, LLC
66
7
China Petroleum & Chemical Corporation
2015
7
ExxonMobil Upstream Research Company
2347
7
Autres propriétaires 192