- 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: 668
10-year publication summary
|
23
|
35
|
38
|
52
|
61
|
84
|
83
|
52
|
53
|
16
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Equinor Energy AS | 495 |
29 |
| Itrec B.V. | 505 |
25 |
| RWE Renewables GmbH | 54 |
14 |
| Orsted Wind Power A/S | 96 |
10 |
| Publichnoe Aktsionernoe Obshchestvo "novatek" | 34 |
9 |
| SPT Equipment BV | 9 |
9 |
| FMC Technologies, Inc. | 609 |
8 |
| Huaneng Clean Energy Research Institute | 508 |
8 |
| Yujoo Co., Ltd. | 21 |
8 |
| innogy SE | 196 |
7 |
| Neodrill AS | 40 |
7 |
| Subsea 7 Norway AS | 92 |
7 |
| Vallourec Deutschland GmbH | 34 |
7 |
| China Three Gorges Corporation | 215 |
7 |
| Siemens AG | 24122 |
6 |
| Korea Institute of Ocean Science & Technology | 438 |
6 |
| Reflex Marine Ltd. | 25 |
6 |
| Saipem S.A. | 229 |
6 |
| Seatower AS | 19 |
6 |
| Soletanche Freyssinet | 492 |
6 |
| Other owners | 477 |