Détention brevets de la classe F04B 47/06

Brevets de cette classe: 398

Historique des publications depuis 10 ans

41
41
38
29
26
21
17
14
7
2
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Propriétaires principaux

Proprétaire
Total
Cette classe
Saudi Arabian Oil Company
13940
30
Baker Hughes Holdings LLC
2981
30
Schlumberger Technology Corporation
11449
25
Baker Hughes Incorporated
5057
24
Baker Hughes, a GE Company, LLC
2101
24
Schlumberger Canada Limited
7544
21
Schlumberger Technology B.v.
5270
18
Services Petroliers Schlumberger
5975
18
Baker Hughes Oilfield Operations, LLC
2430
18
Halliburton Energy Services, Inc.
21161
15
General Electric Company
13811
8
ExxonMobil Upstream Research Company
2340
8
Baker Hughes ESP, Inc.
67
8
FMC Technologies, Inc.
603
5
US Well Services LLC
225
5
Mitsubishi Heavy Industries, Ltd.
9010
4
GE Oil & Gas ESP, Inc.
80
4
OneSubsea IP UK Limited
432
4
Transocean Innovation Labs Ltd
43
4
Oklas Technologies Limited Liability Company
7
4
Autres propriétaires 121