- All sections
- E - Fixed constructions
- E02D - Foundations; excavations; embankments; underground or underwater structures
- E02D 7/22 - Placing by screwing down
Patent holdings for IPC class E02D 7/22
Total number of patents in this class: 227
10-year publication summary
|
21
|
28
|
22
|
18
|
25
|
16
|
20
|
17
|
37
|
6
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hubbell Incorporated | 3052 |
30 |
| Ojjo, Inc. | 98 |
20 |
| American Piledriving Equipment, Inc. | 63 |
13 |
| Krinner Innovation GmbH | 50 |
10 |
| Soilmec S.p.A. | 78 |
10 |
| Pier Tech Systems, LLC | 20 |
7 |
| Bauer Spezialtiefbau GmbH | 111 |
6 |
| Spinex Systems, Inc. | 6 |
6 |
| Nippon Steel Corporation | 5649 |
5 |
| Spinnanker GmbH | 7 |
5 |
| Samil Engineering & Construction Co.,Ltd | 25 |
4 |
| Aalborg Universitet | 166 |
3 |
| Atlantech S.r.l. | 3 |
3 |
| Bauer Maschinen GmbH | 210 |
3 |
| Magnum Piering, Inc. | 11 |
3 |
| Nippon Steel & Sumikin Engineering Co., Ltd. | 186 |
3 |
| Nippon Steel & Sumikin Metal Products Co., Ltd. | 35 |
3 |
| OKA Rock Bolt Technologies Pty Limited | 7 |
3 |
| Soletanche Freyssinet | 480 |
3 |
| Drill Tech Drilling and Shoring, Inc. | 5 |
3 |
| Other owners | 84 |