- All sections
- E - Fixed constructions
- E02D - Foundationsexcavationsembankmentsunderground or underwater structures
- E02D 17/04 - Bordering or stiffening the sides of foundation pits
Patent holdings for IPC class E02D 17/04
Total number of patents in this class: 171
10-year publication summary
|
10
|
12
|
16
|
15
|
17
|
27
|
21
|
14
|
19
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Subsurface,Inc. | 23 |
8 |
| Supportec Co., Ltd. | 14 |
6 |
| Aquadation, LLC | 14 |
5 |
| Hence Construction Co., Ltd. | 5 |
5 |
| Isps Sp. z o.o. | 7 |
4 |
| Jiangsu South&east Geotech Technology Co.. Ltd | 7 |
4 |
| Jiangxi Jiye Science and Technology Group Co, Ltd. | 4 |
4 |
| Dywidag-Systems International GmbH | 75 |
3 |
| Kolon Construction Co., Ltd. | 7 |
3 |
| Qingdao University of Technology | 606 |
3 |
| P.S. Tech Co., Ltd. | 8 |
3 |
| Dongtong Geotechnical Science and Technology Inc. | 3 |
3 |
| Shanghai Construction Engineering Second Construction Group Co., Ltd | 15 |
3 |
| China University of Mining and Technology | 1235 |
2 |
| National Trench Safety, LLC | 10 |
2 |
| Post Tensioning Solutions LLC | 3 |
2 |
| Shandong University | 1012 |
2 |
| Shimizu Corporation | 95 |
2 |
| Soletanche Freyssinet | 476 |
2 |
| Wang, Fuming | 9 |
2 |
| Other owners | 103 |