- 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: 222
10-year publication summary
7
|
8
|
14
|
22
|
17
|
25
|
31
|
29
|
19
|
13
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Itrec B.V. | 503 |
31 |
IHC Iqip Holding B.V. | 24 |
14 |
Iqip Holding B.V. | 50 |
10 |
Heerema Marine Contractors Nederland SE | 59 |
9 |
IHC Holland IE B.V. | 265 |
7 |
IHC Sea Steel Limited | 6 |
6 |
Ojjo, Inc. | 116 |
6 |
Soletanche Freyssinet | 480 |
5 |
FMC Technologies, Inc. | 604 |
4 |
Marine Current Turbines Limited | 7 |
4 |
Quanta Associates, L.P. | 432 |
4 |
Bauer Maschinen GmbH | 223 |
3 |
Bauer Spezialtiefbau GmbH | 112 |
3 |
Comrod AS | 49 |
3 |
Fast Frames (UK) Limited | 3 |
3 |
IHC Iqip UK Ltd. | 3 |
3 |
Macgregor Norway AS | 43 |
3 |
Saipem S.A. | 229 |
3 |
Vallourec Deutschland GmbH | 40 |
3 |
Jiangsu GoldWind Science & Technology Co., Ltd. | 63 |
3 |
Other owners | 95 |