- All sections
- E - Fixed constructions
- E02D - Foundationsexcavationsembankmentsunderground or underwater structures
- E02D 29/063 - Tunnels submerged into, or built in, open water
Patent holdings for IPC class E02D 29/063
Total number of patents in this class: 22
10-year publication summary
|
9
|
1
|
1
|
2
|
1
|
3
|
4
|
2
|
1
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hyperloop Technologies, Inc. | 180 |
8 |
| Daewoo Engineering & Construction Co., Ltd. | 28 |
2 |
| Energie Propre Prodigy Ltee / Prodigy Clean Energy Ltd. | 13 |
2 |
| Pontemar AS | 3 |
1 |
| Trelleborg Ridderkerk B.V. | 10 |
1 |
| CCCC Highway Consultants Co. Ltd. | 15 |
1 |
| CCCC First Harbor Engineering Co., Ltd. | 38 |
1 |
| Guangzhou Shipyard International Company Limited | 186 |
1 |
| Strukton Betonbouw B.V. | 1 |
1 |
| CCCC Fourth Harbor Engineering Co., Ltd. | 25 |
1 |
| The Second Engineering Company of CCCC Fourth Harbor Engineering Co., Ltd. | 11 |
1 |
| Bristola, LLC | 14 |
1 |
| Xijing University | 3 |
1 |
| Other owners | 0 |