- All sections
- E - Fixed constructions
- E02D - Foundationsexcavationsembankmentsunderground or underwater structures
- E02D 27/40 - Foundations for dams across valleys or for dam constructions
Patent holdings for IPC class E02D 27/40
Total number of patents in this class: 12
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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1
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1
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1
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0
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0
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tsinghua University | 6248 |
2 |
| Institute of Mountain Hazards and Environment Chinese Academy of Sciences | 33 |
2 |
| Geotech Technologies Ltd. | 21 |
1 |
| Huesker Synthetic GmbH | 80 |
1 |
| J.F. Karsten Beheer B.V. | 7 |
1 |
| Shandong Jiaotong University | 53 |
1 |
| Littoral Power Systems Inc. | 20 |
1 |
| Seahorn Energy Holding ApS | 5 |
1 |
| Qingzhou waterengineering construction limited company | 2 |
1 |
| Shandong Provincial Water Conservancy Engineering Bureau Co., Ltd | 1 |
1 |
| Other owners | 0 |