- 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 1/18 - Laying or reclaiming pipes on or under water on the bottom the pipes being S- or J-shaped and under tension during laying
Patent holdings for IPC class F16L 1/18
Total number of patents in this class: 82
10-year publication summary
|
2
|
11
|
6
|
6
|
4
|
5
|
4
|
10
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saipem S.p.A. | 512 |
14 |
| Itrec B.V. | 495 |
6 |
| Pioneer Lining Technology Limited | 32 |
6 |
| Subsea 7 Limited | 215 |
6 |
| Acergy France SAS | 126 |
5 |
| J. Ray McDermott, S.A. | 61 |
3 |
| Parkburn Precision Handling Systems Limited | 11 |
3 |
| Shanghai Zhenhua Heavy Industries Co., Ltd. | 35 |
3 |
| Equinor Energy AS | 488 |
3 |
| Flexsteel Pipeline Technologies, LLC | 141 |
3 |
| Saipem S.A. | 227 |
2 |
| Subsea 7 do Brasil Servicos LTDA | 36 |
2 |
| Subsea 7 Norway AS | 87 |
2 |
| Technip France | 716 |
2 |
| Siemens Gamesa Renewable Energy A/S | 1803 |
2 |
| Chevron U.S.A. Inc. | 3856 |
1 |
| Allseas Group S.A. | 10 |
1 |
| FMC Technologies, Inc. | 586 |
1 |
| GE Oil & Gas UK Limited | 161 |
1 |
| Heerema Marine Contractors Nederland B.V. | 28 |
1 |
| Other owners | 15 |