- All sections
- E - Fixed constructions
- E02D - Foundationsexcavationsembankmentsunderground or underwater structures
- E02D 23/16 - Jointing caissons to the foundation soil, specially to uneven foundation soil
Patent holdings for IPC class E02D 23/16
Total number of patents in this class: 19
10-year publication summary
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0
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1
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0
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1
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3
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1
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0
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4
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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
|
|---|---|---|
| Subsea 7 Norway AS | 89 |
2 |
| China Tiesiju Civil Engineering Group Co., Ltd. | 32 |
2 |
| The Third Construction Co., Ltd. of Ctce Group | 2 |
2 |
| BP Corporation North America Inc. | 749 |
1 |
| Dalian University of Technology | 1531 |
1 |
| Oceaneering International, Inc. | 426 |
1 |
| Sembcorp Marine Integrated Yard Pte Ltd. | 12 |
1 |
| Business Crescendo | 1 |
1 |
| CCCC First Harbor Engineering Co., Ltd. | 38 |
1 |
| Ceteal | 3 |
1 |
| Cathie Associates SARL | 1 |
1 |
| D.V. Offshore | 1 |
1 |
| Intermoor do Brasil Serviços Offshore de Instalação Ltda. | 2 |
1 |
| SPT Equipment BV | 9 |
1 |
| CCCC Fourth Harbor Engineering Co., Ltd. | 25 |
1 |
| The Second Engineering Company of CCCC Fourth Harbor Engineering Co., Ltd. | 11 |
1 |
| Other owners | 0 |