Détention brevets de la classe G01V 3/34

Brevets de cette classe: 387

Historique des publications depuis 10 ans

22
33
30
29
34
17
10
7
12
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Propriétaires principaux

Proprétaire
Total
Cette classe
Halliburton Energy Services, Inc.
21151
92
Schlumberger Technology Corporation
11423
43
Baker Hughes Incorporated
5075
36
Schlumberger Canada Limited
7552
21
Schlumberger Technology B.v.
5265
21
Services Petroliers Schlumberger
5969
21
Schlumberger Holdings Limited
2747
13
Prad Research and Development Limited
2680
13
Saudi Arabian Oil Company
13931
13
Well Resolutions Technology
39
11
Baker Hughes, a GE Company, LLC
2102
8
Merlin Technology, Inc.
163
7
Baker Hughes Oilfield Operations, LLC
2427
6
Smith International, Inc.
701
4
Chevron U.S.A. Inc.
4077
3
CMTE Development Limited
39
3
Expro North Sea Limited
241
3
Board of Regents, The University of Texas System
6037
2
CGG Services SA
431
2
Evolution Engineering Inc.
300
2
Autres propriétaires 63