- All sections
- E - Fixed constructions
- E02D - Foundationsexcavationsembankmentsunderground or underwater structures
- E02D 13/04 - Guide devicesGuide frames
Patent holdings for IPC class E02D 13/04
Total number of patents in this class: 223
10-year publication summary
|
7
|
7
|
13
|
19
|
16
|
23
|
29
|
28
|
20
|
17
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Itrec B.V. | 505 |
31 |
| IHC Iqip Holding B.V. | 23 |
14 |
| Iqip Holding B.V. | 60 |
11 |
| Heerema Marine Contractors Nederland SE | 60 |
9 |
| IHC Holland IE B.V. | 262 |
7 |
| IHC Sea Steel Limited | 6 |
6 |
| Ojjo, Inc. | 123 |
6 |
| Soletanche Freyssinet | 481 |
5 |
| Bauer Maschinen GmbH | 228 |
4 |
| FMC Technologies, Inc. | 609 |
4 |
| Marine Current Turbines Limited | 6 |
4 |
| Quanta Associates, L.P. | 429 |
4 |
| Saipem S.A. | 227 |
4 |
| Bauer Spezialtiefbau GmbH | 115 |
3 |
| IHC Iqip UK Ltd. | 3 |
3 |
| Macgregor Norway AS | 43 |
3 |
| Vallourec Deutschland GmbH | 37 |
3 |
| Jiangsu GoldWind Science & Technology Co., Ltd. | 64 |
3 |
| China Harbour Engineering Company Ltd. | 77 |
3 |
| Iqip Holding B.V. | 4 |
3 |
| Other owners | 93 |