- 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: 366
10-year publication summary
|
38
|
32
|
33
|
29
|
32
|
33
|
23
|
24
|
23
|
15
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Watershed Geosynthetics LLC | 119 |
11 |
| Halliburton Energy Services, Inc. | 21320 |
10 |
| AMCOL International Corporation | 249 |
9 |
| NPK Access Solutions LLC | 46 |
8 |
| Levee Lock, LLC | 7 |
6 |
| AWT IP, LLC | 12 |
5 |
| Sensor (UK) Ltd | 10 |
5 |
| Agru/America, Inc. | 27 |
5 |
| Hohai University | 222 |
4 |
| NAUE GmbH & Co. KG | 30 |
4 |
| Universiteit Gent | 1401 |
4 |
| Diamond T Services, Inc. | 4 |
4 |
| Green IP Limited Liability Company | 30 |
4 |
| Beijing GeoEnviron Engineering & Technology, Inc. | 20 |
4 |
| Aquablok, Ltd | 25 |
3 |
| ArcelorMittal | 2663 |
3 |
| GSE Environmental, LLC | 19 |
3 |
| Huesker Synthetic GmbH | 81 |
3 |
| Kuraray Co., Ltd. | 3589 |
3 |
| New Pig Corporation | 52 |
3 |
| Other owners | 265 |