- All sections
- E - Fixed constructions
- E02D - Foundationsexcavationsembankmentsunderground or underwater structures
- E02D 23/14 - Decreasing the skin friction while lowering
Patent holdings for IPC class E02D 23/14
Total number of patents in this class: 4
10-year publication summary
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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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0
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2
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1
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| IHC Holland IE B.V. | 261 |
1 |
| Subsea 7 Norway AS | 92 |
1 |
| Vetco Gray Scandinavia AS | 172 |
1 |
| Zhejiang University City College | 50 |
1 |
| Other owners | 0 |