Détention brevets de la classe G01V 3/14

Brevets de cette classe: 283

Historique des publications depuis 10 ans

32
29
13
16
11
9
14
7
11
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Propriétaires principaux

Proprétaire
Total
Cette classe
Schlumberger Technology Corporation
11436
41
Halliburton Energy Services, Inc.
21154
41
Schlumberger Canada Limited
7552
17
Services Petroliers Schlumberger
5971
16
Schlumberger Technology B.v.
5267
15
Saudi Arabian Oil Company
13937
15
Baker Hughes Incorporated
5069
11
ExxonMobil Upstream Research Company
2343
9
Schlumberger Holdings Limited
2744
7
Chevron U.S.A. Inc.
4076
7
Commonwealth Scientific and Industrial Research Organisation
1667
7
Jilin University
286
7
Prad Research and Development Limited
2680
7
Vista Clara Inc.
22
7
China University of Petroleum (Beijing)
293
4
Lockheed Martin Corporation
3278
3
The General Hospital Corporation
4808
3
ConocoPhillips Company
1703
3
PetroChina Company Limited
783
3
Baker Hughes Oilfield Operations, LLC
2429
3
Autres propriétaires 57