- All sections
- E - Fixed constructions
- E02D - Foundations; excavations; embankments; underground or underwater structures
- E02D 3/12 - Consolidating by placing solidifying or pore-filling substances in the soil
Patent holdings for IPC class E02D 3/12
Total number of patents in this class: 494
10-year publication summary
42
|
41
|
55
|
49
|
45
|
44
|
39
|
44
|
40
|
8
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Soletanche Freyssinet | 480 |
17 |
Geopier Foundation Company, Inc. | 149 |
15 |
Thur S.r.l. | 20 |
12 |
Bauer Spezialtiefbau GmbH | 111 |
11 |
Uretek Worldwide OY | 19 |
10 |
Kao Corporation | 4843 |
9 |
Tenox Kyusyu Corporation | 7 |
7 |
Keller Holding GmbH | 26 |
6 |
Aquadation, LLC | 12 |
5 |
Denka Company Limited | 2189 |
5 |
Denki Kagaku Kogyo Kabushiki Kaisha | 680 |
5 |
Ecole Polytechnique Federale de Lausanne (epfl) | 1434 |
5 |
Ingios Geotechnics, Inc. | 13 |
5 |
Soilmec S.p.A. | 78 |
5 |
Takeuchi Construction Co., Ltd. | 6 |
5 |
Construction Research & Technology GmbH | 640 |
4 |
Crown Products & Services, Inc. | 13 |
4 |
Fudo Tetra Corporation | 8 |
4 |
Shandong University | 886 |
4 |
Wirtgen GmbH | 507 |
4 |
Other owners | 352 |