Détention brevets de la classe G01V 3/34

Brevets de cette classe: 388

Historique des publications depuis 10 ans

23
37
33
29
34
18
11
10
12
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Propriétaires principaux

Proprétaire
Total
Cette classe
Halliburton Energy Services, Inc.
21294
92
Schlumberger Technology Corporation
11679
43
Baker Hughes Incorporated
4960
36
Schlumberger Canada Limited
7596
21
Schlumberger Technology B.v.
5289
21
Services Petroliers Schlumberger
6009
21
Schlumberger Holdings Limited
2709
13
Prad Research and Development Limited
2667
13
Saudi Arabian Oil Company
14110
13
Well Resolutions Technology
39
11
Baker Hughes, a GE Company, LLC
2105
8
Merlin Technology, Inc.
167
7
Baker Hughes Oilfield Operations, LLC
2520
7
Smith International, Inc.
697
4
Chevron U.S.A. Inc.
4125
3
CMTE Development Limited
37
3
Expro North Sea Limited
229
3
Board of Regents, The University of Texas System
6077
2
CGG Services SA
434
2
Evolution Engineering Inc.
301
2
Autres propriétaires 63