- 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 1/23 - Pipe tensioning apparatus
Patent holdings for IPC class F16L 1/23
Total number of patents in this class: 124
10-year publication summary
|
13
|
7
|
20
|
6
|
11
|
10
|
7
|
6
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Itrec B.V. | 493 |
32 |
| Technip France | 717 |
13 |
| Saipem S.p.A. | 510 |
7 |
| Statoil Petroleum AS | 541 |
4 |
| Subsea 7 do Brasil Servicos LTDA | 36 |
4 |
| Trinity Bay Equipment Holdings, LLC | 103 |
4 |
| f.lli Righini S.r.l. | 10 |
4 |
| Flexsteel Pipeline Technologies, LLC | 142 |
4 |
| Heerema Marine Contractors Nederland B.V. | 28 |
3 |
| Equinor Energy AS | 487 |
3 |
| Acergy France SAS | 126 |
2 |
| Control Flow Inc. | 15 |
2 |
| Doosan Babcock Limited | 30 |
2 |
| Heerema Marine Contractors Nederland SE | 58 |
2 |
| Parkburn Precision Handling Systems Limited | 11 |
2 |
| Shanghai Zhenhua Heavy Industries Co., Ltd. | 35 |
2 |
| Subsea 7 Limited | 215 |
2 |
| Maats Tech Limited | 7 |
2 |
| Technip France | 18 |
2 |
| General Electric Company | 17803 |
1 |
| Other owners | 27 |