Détention brevets de la classe G01V 5/08

Brevets de cette classe: 222

Historique des publications depuis 10 ans

23
12
18
9
5
5
7
4
3
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Propriétaires principaux

Proprétaire
Total
Cette classe
Schlumberger Technology Corporation
11584
55
Halliburton Energy Services, Inc.
21257
38
Baker Hughes Incorporated
5018
21
Schlumberger Canada Limited
7588
11
Schlumberger Technology B.v.
5282
11
Services Petroliers Schlumberger
5996
11
Baker Hughes Oilfield Operations, LLC
2480
7
Schlumberger Holdings Limited
2724
5
Prad Research and Development Limited
2678
5
General Electric Company
13822
3
Visuray Technology Ltd
23
3
Baker Hughes, a GE Company, LLC
2091
3
Schlumberger Norge AS
73
2
Chevron U.S.A. Inc.
4117
2
Weatherford Technology Holdings, LLC
2072
2
GE Energy Oilfield Technology, Inc.
19
2
Saudi Arabian Oil Company
13956
2
Scientific Drilling International, Inc.
171
2
Welltec AS
310
2
Landmark Graphics Corporation
1508
1
Autres propriétaires 34