- All sections
- E - Fixed constructions
- E02D - Foundations; excavations; embankments; underground 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: 157
10-year publication summary
11
|
10
|
12
|
16
|
15
|
17
|
27
|
20
|
14
|
6
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Subsurface,Inc. | 21 |
7 |
Supportec Co., Ltd. | 15 |
6 |
Hence Construction Co., Ltd. | 5 |
5 |
Aquadation, LLC | 12 |
4 |
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 | 70 |
3 |
Kolon Construction Co., Ltd. | 7 |
3 |
National Trench Safety, LLC | 14 |
3 |
Qingdao University of Technology | 555 |
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 | 1189 |
2 |
Post Tensioning Solutions LLC | 3 |
2 |
Shandong University | 886 |
2 |
Shimizu Corporation | 89 |
2 |
Soletanche Freyssinet | 480 |
2 |
Daihan Cork Co., Ltd. | 2 |
2 |
Other owners | 90 |