- 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 1/235 - Apparatus for controlling the pipe during laying
Patent holdings for IPC class F16L 1/235
Total number of patents in this class: 150
10-year publication summary
|
22
|
24
|
18
|
19
|
9
|
9
|
11
|
7
|
4
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Saipem S.p.A. | 513 |
25 |
| Technip France | 737 |
15 |
| Itrec B.V. | 477 |
11 |
| Subsea 7 Limited | 208 |
6 |
| Saipem S.A. | 223 |
4 |
| Subsea 7 Norway AS | 85 |
4 |
| Maats Tech Limited | 7 |
4 |
| CCCC Fourth Harbor Engineering Co., Ltd. | 16 |
4 |
| PXGEO UK Limited | 62 |
4 |
| Baker Hughes Energy Technology UK Limited | 168 |
3 |
| The Abell Foundation, Inc. | 34 |
2 |
| Acergy France SAS | 124 |
2 |
| GE Oil & Gas UK Limited | 170 |
2 |
| J. Ray McDermott, S.A. | 59 |
2 |
| Petroleo Brasileiro S.A. - Petrobras | 730 |
2 |
| The Safer Plug Company Limited | 12 |
2 |
| Shanghai Zhenhua Heavy Industries Co., Ltd. | 32 |
2 |
| Somero Enterprises, Inc. | 83 |
2 |
| Subsea 7 Contracting (UK) Limited | 5 |
2 |
| Schlumberger Canada Limited | 6913 |
1 |
| Other owners | 51 |