Patent holdings for IPC class F16L 59/20

Total number of patents in this class: 128

10-year publication summary

20
17
15
8
14
3
1
4
6
4
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Subsea 7 Limited
208
15
Acergy France SAS
124
7
Pioneer Lining Technology Limited
32
7
Saipem S.A.
223
7
BASF SE
19740
6
Joint-Stock Company "transneft Siberia"
35
6
Limited Liability Company "transneft Research and Development Institute for Oil and Oil Products Transportation"
32
6
Public Joint Stock Company "transneft"
38
6
Heerema Marine Contractors Nederland SE
58
5
Pipeline Induction Heat Limited
28
5
ShawCor Ltd.
79
5
2543500 Alberta Ltd B.d.a. Shaw Pipe Protection
15
5
Dow Global Technologies LLC
10147
3
Brugg Rohr AG Holding
37
3
Technip France
737
3
REHAU Industries SE & Co. KG
359
3
Airbus Operations S.A.S.
2407
2
Bluemarine Offshore Yard Service B.V.
19
2
ITP SA
44
2
Rehau AG + Co
419
2
Other owners 28