- All sections
- E - Fixed constructions
- E02D - Foundationsexcavationsembankmentsunderground or underwater structures
- E02D 31/00 - Protective arrangements for foundations or foundation structuresGround foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
Patent holdings for IPC class E02D 31/00
Total number of patents in this class: 352
10-year publication summary
|
25
|
32
|
27
|
29
|
26
|
29
|
29
|
18
|
23
|
16
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Halliburton Energy Services, Inc. | 20911 |
10 |
| AMCOL International Corporation | 266 |
10 |
| NPK Access Solutions LLC | 48 |
8 |
| Watershed Geosynthetics LLC | 102 |
6 |
| Levee Lock, LLC | 7 |
6 |
| AWT IP, LLC | 12 |
5 |
| Sensor (UK) Ltd | 10 |
5 |
| Hohai University | 212 |
4 |
| NAUE GmbH & Co. KG | 28 |
4 |
| Universiteit Gent | 1335 |
4 |
| Diamond T Services, Inc. | 4 |
4 |
| Green IP Limited Liability Company | 32 |
4 |
| Beijing GeoEnviron Engineering & Technology, Inc. | 20 |
4 |
| Agru/America, Inc. | 22 |
4 |
| Aquablok, Ltd | 27 |
3 |
| ArcelorMittal | 2293 |
3 |
| GSE Environmental, LLC | 22 |
3 |
| Huesker Synthetic GmbH | 85 |
3 |
| Kuraray Co., Ltd. | 3506 |
3 |
| New Pig Corporation | 55 |
3 |
| Other owners | 256 |