Détention brevets de la classe G01V 5/08

Brevets de cette classe: 221

Historique des publications depuis 10 ans

21
23
12
18
9
5
5
7
4
2
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Propriétaires principaux

Proprétaire
Total
Cette classe
Schlumberger Technology Corporation
10627
54
Halliburton Energy Services, Inc.
20749
38
Baker Hughes Incorporated
5289
23
Schlumberger Canada Limited
7235
10
Schlumberger Technology B.v.
5148
10
Services Petroliers Schlumberger
5756
10
Baker Hughes Oilfield Operations, LLC
2269
7
Schlumberger Holdings Limited
2841
5
Prad Research and Development Limited
2694
5
General Electric Company
13829
3
Weatherford Technology Holdings, LLC
2014
3
Visuray Intech Ltd (BVI)
25
3
Baker Hughes, a GE Company, LLC
2115
3
Schlumberger Norge AS
73
2
Chevron U.S.A. Inc.
3929
2
GE Energy Oilfield Technology, Inc.
20
2
Saudi Arabian Oil Company
12858
2
Scientific Drilling International, Inc.
167
2
Welltec AS
297
2
Landmark Graphics Corporation
1522
1
Autres propriétaires 34