Détention brevets de la classe G01V 3/14

Brevets de cette classe: 291

Historique des publications depuis 10 ans

37
31
13
16
12
9
14
7
13
6
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Propriétaires principaux

Proprétaire
Total
Cette classe
Schlumberger Technology Corporation
11820
42
Halliburton Energy Services, Inc.
21320
42
Schlumberger Canada Limited
7601
18
Services Petroliers Schlumberger
6023
17
Schlumberger Technology B.v.
5295
16
Saudi Arabian Oil Company
14248
15
Baker Hughes Incorporated
4927
11
ExxonMobil Upstream Research Company
2302
9
Schlumberger Holdings Limited
2694
7
Chevron U.S.A. Inc.
4136
7
Commonwealth Scientific and Industrial Research Organisation
1652
7
Jilin University
297
7
Prad Research and Development Limited
2658
7
Vista Clara Inc.
22
7
China University of Petroleum (Beijing)
303
4
Baker Hughes Oilfield Operations, LLC
2532
4
Lockheed Martin Corporation
3255
3
The General Hospital Corporation
4871
3
ConocoPhillips Company
1709
3
PetroChina Company Limited
881
3
Autres propriétaires 59