- All sections
- E - Fixed constructions
- E02D - Foundationsexcavationsembankmentsunderground or underwater structures
- E02D 19/16 - Restraining of underground water by damming or interrupting the passage of underground water by placing or applying sealing substances
Patent holdings for IPC class E02D 19/16
Total number of patents in this class: 25
10-year publication summary
|
4
|
4
|
0
|
3
|
2
|
5
|
2
|
1
|
4
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Aquablok, Ltd | 25 |
2 |
| Guangzhou Construction Engineering Co., Ltd. | 28 |
2 |
| Guangzhou Institute of Building Science Co., Ltd. | 7 |
2 |
| Wang, Fuming | 9 |
2 |
| Royal Eijkelkamp B.V. | 13 |
2 |
| NK Engineering & Construction | 2 |
2 |
| Thess Pty Ltd | 3 |
2 |
| Halliburton Energy Services, Inc. | 21320 |
1 |
| Bauer Spezialtiefbau GmbH | 112 |
1 |
| CSI Technologies, LLC | 7 |
1 |
| Liquid Earth Support, Inc. | 4 |
1 |
| Moretrench American Corporation | 4 |
1 |
| Saint-Gobain Weber France | 76 |
1 |
| Texas Pro-Chemical Soil Stabilization, Inc. | 2 |
1 |
| Total SA | 477 |
1 |
| Zhejiang University City College | 50 |
1 |
| UGC Co.,Ltd | 9 |
1 |
| de Neef Construction Chemicals | 3 |
1 |
| Other owners | 0 |