Patent holdings for IPC class F16L 58/08

Total number of patents in this class: 151

10-year publication summary

21
12
19
18
19
12
7
12
10
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Vallourec Oil and Gas France
461
18
Technip France
717
8
Nippon Steel & Sumitomo Metal Corporation
1988
5
Saudi Arabian Oil Company
12423
5
Toyo Kohan Co., Ltd.
412
5
Nippon Steel Corporation
6000
4
Aculon, Inc.
67
3
J. Ray McDermott, S.A.
61
3
JFE Steel Corporation
6549
3
Caterpillar Inc.
9158
2
Panasonic Intellectual Property Management Co., Ltd.
29687
2
Bull Moose Tube Company
14
2
Cooper-Standard Automotive Inc.
255
2
Grohe AG
1056
2
H. BUTTING GmbH & Co. KG
17
2
Kolon Industries, Inc.
1587
2
MariCap Oy
188
2
Modumetal, Inc.
71
2
Oceanit Laboratories, Inc.
71
2
Saint-Gobain Pam
89
2
Other owners 75