- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans for thermal insulation in general
- F16L 1/235 - Apparatus for controlling the pipe during laying
Patent holdings for IPC class F16L 1/235
Total number of patents in this class: 153
10-year publication summary
|
24
|
16
|
18
|
9
|
9
|
11
|
7
|
4
|
5
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saipem S.p.A. | 520 |
23 |
| Technip France | 705 |
15 |
| Itrec B.V. | 503 |
11 |
| Subsea 7 Limited | 221 |
7 |
| Saipem S.A. | 228 |
4 |
| Subsea 7 Norway AS | 89 |
4 |
| Maats Tech Limited | 7 |
4 |
| Baker Hughes Energy Technology UK Limited | 211 |
4 |
| CCCC Fourth Harbor Engineering Co., Ltd. | 24 |
4 |
| PXGEO UK Limited | 80 |
4 |
| The Safer Plug Company Limited | 14 |
3 |
| The Abell Foundation, Inc. | 35 |
2 |
| Acergy France SAS | 129 |
2 |
| Baggermaatschappij Boskalis B.V. | 42 |
2 |
| GE Oil & Gas UK Limited | 160 |
2 |
| J. Ray McDermott, S.A. | 59 |
2 |
| Petroleo Brasileiro S.A. - Petrobras | 858 |
2 |
| Somero Enterprises, Inc. | 81 |
2 |
| Subsea 7 Contracting (UK) Limited | 5 |
2 |
| Subsea 7 do Brasil Servicos LTDA | 36 |
2 |
| Other owners | 52 |