Détention brevets de la classe G01V 5/08

Brevets de cette classe: 223

Historique des publications depuis 10 ans

21
11
15
9
5
5
6
4
3
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Propriétaires principaux

Proprétaire
Total
Cette classe
Schlumberger Technology Corporation
11436
56
Halliburton Energy Services, Inc.
21154
38
Baker Hughes Incorporated
5069
21
Schlumberger Canada Limited
7552
11
Schlumberger Technology B.v.
5267
11
Services Petroliers Schlumberger
5971
11
Baker Hughes Oilfield Operations, LLC
2429
7
Schlumberger Holdings Limited
2744
5
Prad Research and Development Limited
2680
5
General Electric Company
13809
3
Visuray Technology Ltd
23
3
Baker Hughes, a GE Company, LLC
2101
3
Schlumberger Norge AS
73
2
Chevron U.S.A. Inc.
4076
2
Weatherford Technology Holdings, LLC
2034
2
GE Energy Oilfield Technology, Inc.
19
2
Saudi Arabian Oil Company
13937
2
Scientific Drilling International, Inc.
169
2
Welltec AS
303
2
Landmark Graphics Corporation
1507
1
Autres propriétaires 34