- All sections
- E - Fixed constructions
- E02D - Foundations; excavations; embankments; underground or underwater structures
- E02D 23/12 - Inclined lowering
Patent holdings for IPC class E02D 23/12
Total number of patents in this class: 3
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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1
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0
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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
|
|---|---|---|
| Acergy France SAS | 126 |
1 |
| Alstom Hydro France | 38 |
1 |
| Kabushiki Kaisha Fukuoka Kensetsu Gozai | 2 |
1 |
| Other owners | 0 |