- All sections
- E - Fixed constructions
- E02D - Foundationsexcavationsembankmentsunderground or underwater structures
- E02D 5/56 - Screw piles
Patent holdings for IPC class E02D 5/56
Total number of patents in this class: 286
10-year publication summary
|
29
|
21
|
16
|
23
|
20
|
24
|
22
|
30
|
23
|
43
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hubbell Incorporated | 3355 |
34 |
| Pier Tech Systems, LLC | 33 |
26 |
| Ojjo, Inc. | 123 |
18 |
| American Piledriving Equipment, Inc. | 63 |
11 |
| Spinex Systems, Inc. | 14 |
8 |
| JFE Steel Corporation | 7074 |
7 |
| Goliathtech Inc. | 52 |
6 |
| Geopier Foundation Company, Inc. | 147 |
5 |
| Korea Institute of Civil Engineering and Building Technology | 135 |
5 |
| Krinner Innovation GmbH | 47 |
5 |
| Magnum Piering, Inc. | 11 |
5 |
| Nippon Steel Corporation | 6514 |
5 |
| Soilmec S.p.A. | 74 |
5 |
| Asahi Kasei Construction Materials Corporation | 62 |
4 |
| Meyer Utility Structures LLC | 28 |
4 |
| Drill Tech Drilling and Shoring, Inc. | 5 |
4 |
| University of Florida Research Foundation, Inc. | 4089 |
3 |
| Aalborg Universitet | 170 |
3 |
| Atlantech S.r.l. | 3 |
3 |
| Clarkson University | 94 |
3 |
| Other owners | 122 |