Détention brevets de la classe F04B 47/06

Brevets de cette classe: 401

Historique des publications depuis 10 ans

52
41
41
38
29
26
22
16
12
3
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Propriétaires principaux

Proprétaire
Total
Cette classe
Baker Hughes Holdings LLC
3001
30
Saudi Arabian Oil Company
13349
29
Schlumberger Technology Corporation
10868
25
Baker Hughes Incorporated
5251
24
Baker Hughes, a GE Company, LLC
2111
24
Schlumberger Canada Limited
7363
21
Schlumberger Technology B.v.
5187
18
Services Petroliers Schlumberger
5827
18
Halliburton Energy Services, Inc.
20944
16
Baker Hughes Oilfield Operations, LLC
2320
16
General Electric Company
13845
8
ExxonMobil Upstream Research Company
2395
8
Baker Hughes ESP, Inc.
68
8
FMC Technologies, Inc.
610
5
US Well Services LLC
226
5
Mitsubishi Heavy Industries, Ltd.
8783
4
Aker Solutions AS
243
4
GE Oil & Gas ESP, Inc.
82
4
OneSubsea IP UK Limited
423
4
Transocean Innovation Labs Ltd
43
4
Autres propriétaires 126