- All sections
- E - Fixed constructions
- E02D - Foundationsexcavationsembankmentsunderground or underwater structures
- E02D 31/02 - Protective arrangements for foundations or foundation structuresGround foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
Patent holdings for IPC class E02D 31/02
Total number of patents in this class: 227
10-year publication summary
|
18
|
23
|
19
|
23
|
33
|
28
|
37
|
16
|
14
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Jiangsu Canlon Building Materials Co., Ltd. | 76 |
8 |
| The American Drain Company, LLC | 8 |
6 |
| Aquadation, LLC | 14 |
6 |
| DNI Realty, LLC | 31 |
6 |
| Drff LLC | 7 |
5 |
| Thur S.r.l. | 16 |
5 |
| A.B.G. Limited | 6 |
4 |
| Hydrogard, LLC | 11 |
4 |
| Sika Technology AG | 2837 |
4 |
| Levee Lock, LLC | 7 |
4 |
| China Railway No.5 Engineering Group Co., Ltd. | 15 |
4 |
| Ewald Dorken AG | 252 |
3 |
| GCP Applied Technologies Inc. | 460 |
3 |
| Officine Maccaferri S.p.A. | 103 |
3 |
| Ten Cate Thiolon B.V. | 79 |
3 |
| W.R. Grace & Co.-conn. | 369 |
3 |
| Tremco CPG Inc. | 306 |
3 |
| AMCOL International Corporation | 266 |
2 |
| ARDEX Anlagen GmbH | 10 |
2 |
| Durabond Products Limited, | 8 |
2 |
| Other owners | 147 |