- All sections
- E - Fixed constructions
- E02D - Foundations; excavations; embankments; underground or underwater structures
- E02D 33/00 - Testing foundations or foundation structures
Patent holdings for IPC class E02D 33/00
Total number of patents in this class: 221
10-year publication summary
|
6
|
11
|
15
|
18
|
15
|
29
|
30
|
11
|
34
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qingdao University of Technology | 584 |
8 |
| Zhejiang University | 2921 |
7 |
| Shandong University | 962 |
6 |
| Nanchang Yongqi Technology Development Co., Ltd. | 5 |
5 |
| LOADTEST, Inc. | 22 |
4 |
| Will N Well Property Sdn Bhd | 5 |
4 |
| Vuyk Technology Holdings, LLC | 6 |
4 |
| Jibanshikenjo Co., Ltd. | 7 |
4 |
| Guangdong Zhongke Huada Engineering Test Co., Ltd. | 8 |
4 |
| Dalian University of Technology | 1447 |
3 |
| Hohai University | 195 |
3 |
| Pacadar S.A. | 17 |
3 |
| Ojjo, Inc. | 108 |
3 |
| GRL Engineers, Inc, | 3 |
3 |
| RBM Consulting Group, Inc. | 3 |
3 |
| Almita Piling Inc. | 4 |
2 |
| Bauer Spezialtiefbau GmbH | 113 |
2 |
| Chongqing University | 255 |
2 |
| Hydro-Quebec | 643 |
2 |
| Korea Institute of Geoscience and Mineral Resources | 232 |
2 |
| Other owners | 147 |