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
11820
55
Halliburton Energy Services, Inc.
21320
38
Baker Hughes Incorporated
4927
21
Schlumberger Canada Limited
7601
11
Schlumberger Technology B.v.
5295
11
Services Petroliers Schlumberger
6023
11
Baker Hughes Oilfield Operations, LLC
2532
7
Schlumberger Holdings Limited
2694
5
Prad Research and Development Limited
2658
5
General Electric Company
13910
3
Visuray Technology Ltd
23
3
Baker Hughes, a GE Company, LLC
2054
3
Schlumberger Norge AS
73
2
Chevron U.S.A. Inc.
4136
2
Weatherford Technology Holdings, LLC
2158
2
GE Energy Oilfield Technology, Inc.
19
2
Saudi Arabian Oil Company
14248
2
Scientific Drilling International, Inc.
172
2
Welltec AS
316
2
Landmark Graphics Corporation
1508
1
Autres propriétaires 34