Patent holdings for IPC class F16L 58/08

Total number of patents in this class: 157

10-year publication summary

12
19
18
19
12
8
12
11
5
5
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Vallourec Oil and Gas France
459
17
Technip France
682
8
Nippon Steel & Sumitomo Metal Corporation
1981
5
Saudi Arabian Oil Company
14207
5
Toyo Kohan Co., Ltd.
431
5
Rockwool A/S
833
4
Aculon, Inc.
70
3
JFE Steel Corporation
7508
3
INDIANA TUBE Corp
4
3
Caterpillar Inc.
10272
2
Panasonic Intellectual Property Management Co., Ltd.
33911
2
Bull Moose Tube Company
13
2
Cooper-Standard Automotive Inc.
253
2
Grohe AG
1050
2
H. BUTTING GmbH & Co. KG
21
2
J. Ray McDermott, S.A.
64
2
Kolon Industries, Inc.
1835
2
MariCap Oy
184
2
Modumetal, Inc.
74
2
Nippon Steel Corporation
6843
2
Other owners 82