- All sections
- E - Fixed constructions
- E02D - Foundationsexcavationsembankmentsunderground or underwater structures
- E02D 7/30 - Placing of hollow piles or mould-pipes by means arranged inside the piles or pipes by driving cores
Patent holdings for IPC class E02D 7/30
Total number of patents in this class: 24
10-year publication summary
|
5
|
2
|
3
|
3
|
1
|
4
|
3
|
2
|
3
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Geopier Foundation Company, Inc. | 145 |
7 |
| Ojjo, Inc. | 112 |
2 |
| Alternative Energy Development Corp. | 1 |
1 |
| Buma CE, Ltd. | 3 |
1 |
| Guangzhou Construction Engineering Co., Ltd. | 20 |
1 |
| Guangzhou Institute of Building Science Co., Ltd. | 5 |
1 |
| Soilmec S.p.A. | 75 |
1 |
| Thyssenkrupp GFT Tiefbautechnik GmbH | 2 |
1 |
| Mincon Nordic Oy | 14 |
1 |
| Qingdao University of Technology | 606 |
1 |
| C&P Tech Co., Ltd. | 5 |
1 |
| Donglim Industrial Co., Ltd. | 3 |
1 |
| Qingdao Metro Line 1 Co., Ltd | 3 |
1 |
| Qingdao Metro Line 6 Co. Ltd | 4 |
1 |
| Guangzhou Municipal Construction Group Co., LTD. | 2 |
1 |
| Guangzhou Municipal Engineering Testing Co., Ltd. | 3 |
1 |
| IANDOLO, Daniele | 1 |
1 |
| Other owners | 0 |