Détention brevets de la classe G01V 3/26

Brevets de cette classe: 1123

Historique des publications depuis 10 ans

75
93
119
139
75
54
41
23
25
1
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Propriétaires principaux

Proprétaire
Total
Cette classe
Halliburton Energy Services, Inc.
20165
327
Schlumberger Technology Corporation
9690
82
Schlumberger Canada Limited
6913
77
Schlumberger Technology B.v.
4951
72
Services Petroliers Schlumberger
5426
70
Baker Hughes Incorporated
5689
66
Schlumberger Holdings Limited
2947
49
Prad Research and Development Limited
2696
43
Saudi Arabian Oil Company
11322
41
Baker Hughes, a GE Company, LLC
2171
27
Well Resolutions Technology
33
14
Scientific Drilling International, Inc.
161
12
Groundmetrics, Inc.
38
9
Board of Regents, The University of Texas System
5370
8
CARBO Ceramics Inc.
248
7
William Marsh Rice University
937
7
Baker Hughes Holdings LLC
3060
7
ConocoPhillips Company
1657
6
Baker Hughes Oilfield Operations, LLC
1885
6
Prad Research and Development NV
264
6
Autres propriétaires 187