Patent holdings for IPC class F16L 55/38

Total number of patents in this class: 152

10-year publication summary

13
8
15
14
21
11
18
6
10
11
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Saudi Arabian Oil Company
13428
14
Curapipe System Ltd.
27
7
TDW Delaware, Inc.
170
7
Rosen IP AG
46
7
ENI S.p.A.
1274
5
Aramco Services Company
4039
4
Plumettaz Holding SA
48
4
Stoneage, Inc.
264
4
PTT Exploration and Production Public Company Limited
49
4
Sivacoe, Luisa Anne
5
4
Fiberbuilt Manufacturing Inc.
18
3
Stats (UK) Limited
44
3
Subsea 7 Norway AS
89
3
Insfor - Innovative Solutions for Robotics Ltda. - ME
8
3
Halliburton Energy Services, Inc.
20977
2
International Business Machines Corporation
61596
2
Endogene Limited
14
2
Entegra LLP, DBA Entegra
14
2
Envirosight LLC
36
2
e.V. Offshore Limited
63
2
Other owners 68