Détention brevets de la classe E21B 33/124

Brevets de cette classe: 818

Historique des publications depuis 10 ans

96
50
68
64
58
56
80
42
34
3
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Propriétaires principaux

Proprétaire
Total
Cette classe
Halliburton Energy Services, Inc.
20438
120
Saudi Arabian Oil Company
12446
50
Schlumberger Technology Corporation
10263
47
Baker Hughes Incorporated
5504
42
Weatherford Technology Holdings, LLC
2109
24
The Wellboss Company, LLC
95
24
ExxonMobil Upstream Research Company
2454
22
Welltec Manufacturing Center Completions ApS
87
22
Exacta-Frac Energy Services, Inc.
55
19
Baker Hughes Holdings LLC
3009
18
Schlumberger Canada Limited
7154
17
Schlumberger Technology B.v.
5075
17
Packers Plus Energy Services Inc.
123
17
Services Petroliers Schlumberger
5633
17
Welltec Oilfield Solutions AG
66
15
Aramco Services Company
3750
14
Baker Hughes Oilfield Operations, LLC
2128
14
Welltec AS
297
11
Schlumberger Holdings Limited
2867
9
Baker Hughes, a GE Company, LLC
2138
9
Autres propriétaires 290