- All sections
- E - Fixed constructions
- E02D - Foundationsexcavationsembankmentsunderground or underwater structures
- E02D 19/06 - Restraining of underground water
Patent holdings for IPC class E02D 19/06
Total number of patents in this class: 22
10-year publication summary
|
3
|
4
|
1
|
1
|
0
|
3
|
1
|
5
|
3
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| State Farm Mutual Automobile Insurance Company | 3338 |
5 |
| Guangzhou Construction Engineering Co., Ltd. | 28 |
2 |
| Guangzhou Institute of Building Science Co., Ltd. | 7 |
2 |
| Groupe Mammut Inc. | 1 |
1 |
| Nippon Steel Corporation | 6703 |
1 |
| Shandong University | 1122 |
1 |
| WSP Global Inc. | 32 |
1 |
| OPW Fueling Components, LLC | 68 |
1 |
| Profextru Holding B.V. | 4 |
1 |
| CCCC First Harbor Engineering Co., Ltd. | 52 |
1 |
| Zhejiang University City College | 50 |
1 |
| Creative Polymer Industries Pte Ltd | 1 |
1 |
| Jiangsu Xinmao Urban Construction Co., Ltd | 6 |
1 |
| Xijing University | 3 |
1 |
| Westlake Pipe & Fittings Corporation | 66 |
1 |
| Overseas Engineering Company of China Railway No.5 Engineering Group Co., Ltd. | 6 |
1 |
| Other owners | 0 |