- 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: 251
10-year publication summary
31
|
32
|
27
|
20
|
28
|
21
|
29
|
26
|
33
|
11
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Hubbell Incorporated | 3052 |
27 |
Pier Tech Systems, LLC | 20 |
13 |
Ojjo, Inc. | 98 |
12 |
American Piledriving Equipment, Inc. | 63 |
11 |
JFE Steel Corporation | 6067 |
7 |
Soilmec S.p.A. | 78 |
6 |
Korea Institute of Civil Engineering and Building Technology | 119 |
5 |
Krinner Innovation GmbH | 50 |
5 |
Magnum Piering, Inc. | 11 |
5 |
Nippon Steel Corporation | 5649 |
5 |
Asahi Kasei Construction Materials Corporation | 59 |
4 |
Goliathtech Inc. | 37 |
4 |
Meyer Utility Structures LLC | 28 |
4 |
Drill Tech Drilling and Shoring, Inc. | 5 |
4 |
Spinex Systems, Inc. | 6 |
4 |
Aalborg Universitet | 166 |
3 |
Atlantech S.r.l. | 3 |
3 |
Geopier Foundation Company, Inc. | 149 |
3 |
Nippon Steel & Sumikin Metal Products Co., Ltd. | 35 |
3 |
Patented Foundations Pty Ltd | 3 |
3 |
Other owners | 120 |