Détention brevets de la classe G01V 5/14

Brevets de cette classe: 90

Historique des publications depuis 10 ans

7
2
3
13
4
1
1
3
3
1
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Propriétaires principaux

Proprétaire
Total
Cette classe
Halliburton Energy Services, Inc.
20901
13
Schlumberger Canada Limited
7296
9
Baker Hughes Incorporated
5241
9
Schlumberger Technology B.v.
5165
8
Services Petroliers Schlumberger
5787
8
Schlumberger Technology Corporation
10727
7
Schlumberger Holdings Limited
2822
5
GE Energy Oilfield Technology, Inc.
20
5
Prad Research and Development Limited
2693
5
General Electric Company
13793
2
China Petroleum & Chemical Corporation
1908
2
Saudi Arabian Oil Company
13185
2
Starfire Industries, LLC
38
2
Baker Hughes Oilfield Operations, LLC
2305
2
Smith International, Inc.
717
1
Australian Nuclear Science & Technology Organisation
7
1
CARBO Ceramics Inc.
235
1
Petroleo Brasileiro S.A. - Petrobras
849
1
Scientific Drilling International, Inc.
168
1
Sinopec Tech Houston, LLC.
20
1
Autres propriétaires 5