- 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
9
|
13
|
7
|
20
|
6
|
11
|
10
|
7
|
6
|
1
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Itrec B.V. | 477 |
32 |
Technip France | 737 |
13 |
Trinity Bay Equipment Holdings, LLC | 244 |
9 |
Saipem S.p.A. | 513 |
7 |
Statoil Petroleum AS | 555 |
4 |
Subsea 7 do Brasil Servicos LTDA | 35 |
4 |
f.lli Righini S.r.l. | 10 |
4 |
Heerema Marine Contractors Nederland B.V. | 31 |
3 |
Equinor Energy AS | 475 |
3 |
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. | 32 |
2 |
Subsea 7 Limited | 208 |
2 |
Maats Tech Limited | 7 |
2 |
Technip France | 18 |
2 |
General Electric Company | 18133 |
1 |
Lockheed Martin Corporation | 3406 |
1 |
Chevron U.S.A. Inc. | 3774 |
1 |
Other owners | 26 |