- All sections
- E - Fixed constructions
- E02D - Foundationsexcavationsembankmentsunderground or underwater structures
- E02D 27/52 - Submerged foundations
Patent holdings for IPC class E02D 27/52
Total number of patents in this class: 660
10-year publication summary
|
22
|
31
|
36
|
48
|
54
|
78
|
78
|
49
|
50
|
7
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Equinor Energy AS | 498 |
29 |
| Itrec B.V. | 503 |
25 |
| RWE Renewables GmbH | 54 |
14 |
| Orsted Wind Power A/S | 95 |
9 |
| Publichnoe Aktsionernoe Obshchestvo "novatek" | 34 |
9 |
| SPT Equipment BV | 9 |
9 |
| FMC Technologies, Inc. | 604 |
8 |
| Huaneng Clean Energy Research Institute | 507 |
8 |
| innogy SE | 197 |
7 |
| Neodrill AS | 40 |
7 |
| Subsea 7 Norway AS | 91 |
7 |
| Vallourec Deutschland GmbH | 35 |
7 |
| Yujoo Co., Ltd. | 20 |
7 |
| China Three Gorges Corporation | 210 |
7 |
| Siemens AG | 24299 |
6 |
| ExxonMobil Upstream Research Company | 2345 |
6 |
| Reflex Marine Ltd. | 25 |
6 |
| Saipem S.A. | 229 |
6 |
| Seatower AS | 20 |
6 |
| Soletanche Freyssinet | 494 |
6 |
| Other owners | 471 |