- All sections
- E - Fixed constructions
- E02D - Foundationsexcavationsembankmentsunderground or underwater structures
- E02D 23/04 - Pneumatic caissons
Patent holdings for IPC class E02D 23/04
Total number of patents in this class: 4
10-year publication summary
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1
|
1
|
0
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0
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0
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0
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0
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1
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0
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ExxonMobil Upstream Research Company | 2414 |
1 |
| Korea Institute of Ocean Science & Technology | 412 |
1 |
| Subsea 7 Norway AS | 88 |
1 |
| Cape Holland Holding B.V. | 13 |
1 |
| Other owners | 0 |