- 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 1/20 - Accessories therefor, e.g. floats or weights
Patent holdings for IPC class F16L 1/20
Total number of patents in this class: 558
10-year publication summary
|
54
|
66
|
39
|
59
|
42
|
42
|
39
|
30
|
28
|
8
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Itrec B.V. | 477 |
62 |
| Saipem S.p.A. | 513 |
51 |
| Technip France | 737 |
48 |
| Subsea 7 Limited | 208 |
31 |
| Acergy France SAS | 124 |
18 |
| Saipem S.A. | 223 |
17 |
| Subsea 7 do Brasil Servicos LTDA | 35 |
16 |
| J. Ray McDermott, S.A. | 59 |
10 |
| Heerema Marine Contractors Nederland B.V. | 31 |
9 |
| Trinity Bay Equipment Holdings, LLC | 244 |
9 |
| Balltec Limited | 31 |
8 |
| Subsea 7 Norway AS | 85 |
8 |
| Chevron U.S.A. Inc. | 3774 |
7 |
| Equinor Energy AS | 475 |
7 |
| Heerema Marine Contractors Nederland SE | 58 |
6 |
| Shanghai Zhenhua Heavy Industries Co., Ltd. | 32 |
6 |
| Royal IHC Limited | 16 |
6 |
| Baker Hughes Energy Technology UK Limited | 168 |
6 |
| IHC Holland IE B.V. | 277 |
5 |
| Acergy UK Limited | 10 |
4 |
| Other owners | 224 |