Patent holdings for IPC class F16L 47/03

Total number of patents in this class: 192

10-year publication summary

11
13
14
8
11
9
7
9
9
3
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Pioneer Lining Technology Limited
22
13
Saudi Arabian Oil Company
14416
11
Aramco Services Company
4191
6
Georg Fischer Piping Systems Ltd.
8
6
Georg Fischer Rohrleitungssysteme AG
134
6
Saipem S.A.
232
6
Subsea 7 Limited
242
6
Soluforce B.V.
6
6
MariCap Oy
183
5
Radius Systems Limited
43
5
TWi Limited
24
5
CORE Linepipe Inc.
20
4
HDPE Solutions, LLC
7
4
ISCO Industries, Inc.
35
4
Sekisui Chemical Co., Ltd.
3669
4
"agru" Kunststofftechnik Gesellschaft m.b.H.
12
3
Franklin Fueling Systems Limited
14
3
Georg Fischer Wavin AG
11
3
Magma Global Limited
55
3
Pipelife Nederland B.V.
33
3
Other owners 86