- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F16L - Pipesjoints or fittings for pipessupports for pipes, cables or protective tubingmeans for thermal insulation in general
- F16L 1/20 - Accessories therefor, e.g. floats or weights
Patent holdings for IPC class F16L 1/20
Total number of patents in this class: 559
10-year publication summary
|
39
|
59
|
42
|
42
|
40
|
30
|
34
|
12
|
12
|
11
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Itrec B.V. | 504 |
59 |
| Saipem S.p.A. | 529 |
47 |
| Technip France | 682 |
47 |
| Subsea 7 Limited | 238 |
32 |
| Saipem S.A. | 230 |
20 |
| Acergy France SAS | 135 |
18 |
| Subsea 7 do Brasil Servicos LTDA | 41 |
15 |
| J. Ray McDermott, S.A. | 64 |
11 |
| Subsea 7 Norway AS | 94 |
9 |
| Balltec Limited | 31 |
8 |
| Chevron U.S.A. Inc. | 4140 |
7 |
| Petroleo Brasileiro S.A. - Petrobras | 967 |
7 |
| Equinor Energy AS | 495 |
7 |
| Heerema Marine Contractors Nederland SE | 59 |
6 |
| Baker Hughes Energy Technology UK Limited | 269 |
6 |
| Heerema Marine Contractors Nederland B.V. | 20 |
5 |
| IHC Holland IE B.V. | 260 |
5 |
| National Oilwell Varco, L.P. | 1699 |
5 |
| Nexans | 642 |
5 |
| Acergy UK Limited | 9 |
4 |
| Other owners | 236 |