- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans 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: 125
10-year publication summary
|
7
|
20
|
6
|
11
|
10
|
7
|
6
|
1
|
1
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Itrec B.V. | 504 |
31 |
| Technip France | 688 |
13 |
| Saipem S.p.A. | 524 |
7 |
| Statoil Petroleum AS | 475 |
4 |
| f.lli Righini S.r.l. | 11 |
4 |
| Flexsteel USA, LLC | 164 |
4 |
| Heerema Marine Contractors Nederland B.V. | 20 |
3 |
| Subsea 7 do Brasil Servicos LTDA | 40 |
3 |
| Subsea 7 Limited | 233 |
3 |
| Equinor Energy AS | 495 |
3 |
| Acergy France SAS | 132 |
2 |
| Control Flow Inc. | 14 |
2 |
| Doosan Babcock Limited | 30 |
2 |
| Heerema Marine Contractors Nederland SE | 59 |
2 |
| Saipem S.A. | 229 |
2 |
| Shanghai Zhenhua Heavy Industries Co., Ltd. | 39 |
2 |
| Trinity Bay Equipment Holdings, LLC | 71 |
2 |
| Maats Tech Limited | 7 |
2 |
| Deme Offshore NL B.V. | 7 |
2 |
| Technip France | 18 |
2 |
| Other owners | 30 |