- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F16L - Pipes; joints or fittings for pipes; supports for pipes, cables or protective tubing; means for thermal insulation in general
- F16L 59/20 - Arrangements specially adapted to local requirements at flanges, junctions, valves, or the like adapted for joints for non-disconnectable joints
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 |