Patent holdings for IPC class F16L 55/38

Total number of patents in this class: 149

10-year publication summary

13
9
18
16
23
12
18
5
10
8
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Saudi Arabian Oil Company
12858
14
Curapipe System Ltd.
27
7
TDW Delaware, Inc.
167
7
Rosen IP AG
46
7
Aramco Services Company
3910
4
Plumettaz Holding SA
46
4
Stoneage, Inc.
234
4
PTT Exploration and Production Public Company Limited
47
4
Luisa Anne Sivacoe
12
4
ENI S.p.A.
1256
3
Fiberbuilt Manufacturing Inc.
18
3
Stats (UK) Limited
44
3
Subsea 7 Norway AS
88
3
Insfor - Innovative Solutions for Robotics Ltda. - ME
8
3
International Business Machines Corporation
61023
2
Endogene Limited
14
2
Entegra LLP, DBA Entegra
13
2
Envirosight LLC
35
2
e.V. Offshore Limited
62
2
Korea Gas Corporation
115
2
Other owners 67