- All sections
- E - Fixed constructions
- E02D - Foundations; excavations; embankments; underground or underwater structures
- E02D 5/56 - Screw piles
Patent holdings for IPC class E02D 5/56
Total number of patents in this class: 260
10-year publication summary
|
32
|
27
|
20
|
28
|
21
|
29
|
27
|
33
|
25
|
2
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hubbell Incorporated | 3167 |
31 |
| Pier Tech Systems, LLC | 21 |
13 |
| Ojjo, Inc. | 108 |
13 |
| American Piledriving Equipment, Inc. | 63 |
11 |
| JFE Steel Corporation | 6557 |
7 |
| Soilmec S.p.A. | 78 |
6 |
| Korea Institute of Civil Engineering and Building Technology | 129 |
5 |
| Krinner Innovation GmbH | 50 |
5 |
| Magnum Piering, Inc. | 11 |
5 |
| Nippon Steel Corporation | 6012 |
5 |
| Spinex Systems, Inc. | 8 |
5 |
| Asahi Kasei Construction Materials Corporation | 60 |
4 |
| Geopier Foundation Company, Inc. | 150 |
4 |
| Goliathtech Inc. | 46 |
4 |
| Meyer Utility Structures LLC | 28 |
4 |
| Drill Tech Drilling and Shoring, Inc. | 5 |
4 |
| Aalborg Universitet | 172 |
3 |
| Atlantech S.r.l. | 3 |
3 |
| Patented Foundations Pty Ltd | 3 |
3 |
| Samil Engineering & Construction Co.,Ltd | 25 |
3 |
| Other owners | 122 |