- All sections
- E - Fixed constructions
- E02D - Foundations; excavations; embankments; underground or underwater structures
- E02D 5/46 - Concrete or concrete-like piles cast in position making in situ by forcing bonding agents into gravel fillings or the soil
Patent holdings for IPC class E02D 5/46
Total number of patents in this class: 119
10-year publication summary
|
9
|
10
|
10
|
4
|
11
|
14
|
18
|
12
|
7
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bauer Spezialtiefbau GmbH | 113 |
10 |
| Soletanche Freyssinet | 479 |
10 |
| Geopier Foundation Company, Inc. | 150 |
7 |
| Thur S.r.l. | 20 |
4 |
| American Piledriving Equipment, Inc. | 63 |
3 |
| Asahi Kasei Construction Materials Corporation | 60 |
3 |
| Keller Holding GmbH | 26 |
3 |
| Zhongyan Technology Co., Ltd | 3 |
3 |
| Hubbell Incorporated | 3167 |
2 |
| Ext Co., Ltd. | 11 |
2 |
| Hohai University | 198 |
2 |
| Southeast University | 1304 |
2 |
| Uretek Worldwide OY | 19 |
2 |
| Guangdong Polytechnic of Water Resources and Electric Engineering | 4 |
2 |
| Allu Group Oy | 3 |
1 |
| Conseil Service Investissements | 3 |
1 |
| Fudo Tetra Corporation | 8 |
1 |
| Hainan University | 152 |
1 |
| Henderson, Allan P. | 1 |
1 |
| Laing O'Rourke Australia Pty Limited | 22 |
1 |
| Other owners | 58 |