- All sections
- E - Fixed constructions
- E02D - Foundationsexcavationsembankmentsunderground or underwater structures
- E02D 3/10 - Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
Patent holdings for IPC class E02D 3/10
Total number of patents in this class: 137
10-year publication summary
|
6
|
9
|
15
|
13
|
11
|
12
|
17
|
10
|
5
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Soletanche Freyssinet | 481 |
5 |
| TBT Engineering Limited | 5 |
5 |
| Zhejiang University | 3198 |
4 |
| Afitex International | 27 |
3 |
| American Piledriving Equipment, Inc. | 64 |
3 |
| Jiangsu Shangqi Group Co., Ltd. | 4 |
3 |
| Shanghai Harbour Soft Soil Treatment Engineering (Group) Co., Ltd. | 3 |
3 |
| Lake Restoration Solutions, Inc. | 4 |
3 |
| Guangzhou Wanhou Investment Co., Ltd. | 3 |
3 |
| Caterpillar Inc. | 9640 |
2 |
| The United States of America as represented by the Secretary of the Army | 1217 |
2 |
| Baggermaatschappij Boskalis B.V. | 42 |
2 |
| Keystone Retaining Wall Systems LLC | 217 |
2 |
| Nantong University | 268 |
2 |
| NDSU Research Foundation | 243 |
2 |
| Northeastern University | 543 |
2 |
| Shanghai Harbour Soft Soil Treatment Engineering Co. Ltd. | 2 |
2 |
| TOA Corporation | 126 |
2 |
| Jiangsu University of Science and Technology | 384 |
2 |
| Fnv IP B.V. | 316 |
2 |
| Other owners | 83 |