- All sections
- E - Fixed constructions
- E02D - Foundationsexcavationsembankmentsunderground or underwater structures
- E02D 23/08 - Lowering or sinking caissons
Patent holdings for IPC class E02D 23/08
Total number of patents in this class: 44
10-year publication summary
|
4
|
3
|
3
|
5
|
6
|
5
|
7
|
3
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Equinor Energy AS | 484 |
5 |
| Jiangxi Jiye Science and Technology Group Co, Ltd. | 4 |
4 |
| Elomatic Oy | 21 |
2 |
| Safe Marine Transfer, LLC | 20 |
2 |
| American Piledriving Equipment, Inc. | 63 |
1 |
| ConocoPhillips Company | 1668 |
1 |
| ExxonMobil Upstream Research Company | 2414 |
1 |
| Herrenknecht AG | 199 |
1 |
| Hitachi Zosen Corporation | 622 |
1 |
| Korea Electric Power Corporation | 468 |
1 |
| Korea Institute of Ocean Science & Technology | 412 |
1 |
| Kyoto University | 2787 |
1 |
| Oceaneering International, Inc. | 425 |
1 |
| Sea Wind Towers, S.L. | 13 |
1 |
| Technip France | 706 |
1 |
| The University of Birmingham | 407 |
1 |
| Vetco Gray Scandinavia AS | 174 |
1 |
| Wang, Fuming | 9 |
1 |
| Yujoo Co., Ltd. | 17 |
1 |
| Koyo Automatic Machine Co., Ltd. | 1 |
1 |
| Other owners | 15 |