Patent holdings for IPC class F16L 57/06

Total number of patents in this class: 383

10-year publication summary

40
40
34
30
25
30
30
27
15
22
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Systems Protection Group US LLC
221
10
FMC Technologies, Inc.
609
7
Technip France
699
6
Vallourec Oil and Gas France
459
6
Esser-Werke GmbH & Co. KG
8
5
Federal-Mogul Powertrain, Inc.
79
5
Fjord, Inc.
59
5
Progressive Products, Inc.
22
5
Halliburton Energy Services, Inc.
21078
4
Saudi Arabian Oil Company
13656
4
Weir Minerals Australia, Ltd.
307
4
FLSmidth A/S
775
4
Valme S.r.l. - Unico Socio
4
4
Caterpillar Inc.
9768
3
Chevron U.S.A. Inc.
4018
3
Baden-Württemberg Stiftung gGmbH
67
3
CIFA SpA
54
3
Emco, Inc.
4
3
Federal-Mogul Powertrain LLC
278
3
Graco Minnesota Inc.
1225
3
Other owners 293