- All sections
- E - Fixed constructions
- E02D - Foundationsexcavationsembankmentsunderground or underwater structures
- E02D 5/44 - Concrete or concrete-like piles cast in position making by use of mould-pipes or other moulds with enlarged footing or enlargements at the bottom of the pile
Patent holdings for IPC class E02D 5/44
Total number of patents in this class: 53
10-year publication summary
|
5
|
5
|
2
|
7
|
5
|
5
|
7
|
3
|
1
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Geopier Foundation Company, Inc. | 145 |
3 |
| Samil Engineering & Construction Co.,Ltd | 25 |
3 |
| Bauer Maschinen GmbH | 215 |
2 |
| Soletanche Freyssinet | 476 |
2 |
| Petram Technologies, Inc. | 11 |
2 |
| Chowa Kogyo Co., Ltd. | 3 |
2 |
| Japan Pile Corporation | 2 |
2 |
| Jiangsu Green River Environmental Technology Co., Ltd. | 2 |
2 |
| Ppx Technology Pty Ltd | 2 |
2 |
| Geoqore, LLC | 6 |
2 |
| Jess Tools, Inc. | 4 |
2 |
| University of Florida Research Foundation, Inc. | 3970 |
1 |
| Arrowhead Center, Inc. | 58 |
1 |
| Crux Subsurface, Inc. | 6 |
1 |
| Ext Co., Ltd. | 11 |
1 |
| Florida Department of Transportation | 11 |
1 |
| Franki Grundbau GmbH & Co. KG | 1 |
1 |
| Nippon Steel Corporation | 6136 |
1 |
| Nippon Steel & Sumikin Engineering Co., Ltd. | 184 |
1 |
| Nippon Steel & Sumikin Metal Products Co., Ltd. | 34 |
1 |
| Other owners | 20 |