- 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: 126
10-year publication summary
|
17
|
15
|
8
|
14
|
3
|
1
|
4
|
6
|
5
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Subsea 7 Limited | 215 |
15 |
| Acergy France SAS | 126 |
7 |
| Pioneer Lining Technology Limited | 32 |
7 |
| BASF SE | 20432 |
6 |
| Joint-Stock Company "transneft Siberia" | 33 |
6 |
| Limited Liability Company "transneft Research and Development Institute for Oil and Oil Products Transportation" | 32 |
6 |
| Public Joint Stock Company "transneft" | 36 |
6 |
| Saipem S.A. | 227 |
6 |
| Pipeline Induction Heat Limited | 27 |
5 |
| ShawCor Ltd. | 78 |
5 |
| 2543500 Alberta Ltd B.d.a. Shaw Pipe Protection | 15 |
5 |
| Heerema Marine Contractors Nederland SE | 59 |
4 |
| Dow Global Technologies LLC | 10156 |
3 |
| Brugg Rohr AG Holding | 37 |
3 |
| Technip France | 716 |
3 |
| REHAU Industries SE & Co. KG | 352 |
3 |
| Airbus Operations S.A.S. | 2447 |
2 |
| Bluemarine Offshore Yard Service B.V. | 19 |
2 |
| ITP SA | 46 |
2 |
| Rehau AG + Co | 410 |
2 |
| Other owners | 28 |